Home / 18,716,670-28,075,005-6,749,406

Finding the Fourth Proportional to 18,716,670, 28,075,005 and 6,749,406

Calculator

Solution

The fourth proportional to 18,716,670, 28,075,005 and 6,749,406 is: 10,124,109

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716,670 : 28,075,005 = 6,749,406 : x
  2. Step 2: Convert to fraction form
    18,716,670/28,075,005 = 6,749,406/x
  3. Step 3: Cross multiply
    18,716,670x = 28,075,005 × 6,749,406
  4. Step 4: Simplify right side
    18,716,670x = 189,489,607,197,030
  5. Step 5: Solve for x
    x = 189,489,607,197,030/18,716,670
  6. Step 6: Final answer
    x = 10,124,109

Related Problems

Find fourth proportional to 9,358,335, 14,037,502.50 and 3,374,703
Half scale
Find fourth proportional to 37,433,340, 56,150,010 and 13,498,812
Double scale
Find fourth proportional to 18,716,671, 28,075,006.50 and 6,749,407
Similar ratio
Find fourth proportional to 28,075,005, 42,112,507.50 and 10,124,109
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.