Home / 18,997,660-28,496,490-8,360,092

Finding the Fourth Proportional to 18,997,660, 28,496,490 and 8,360,092

Calculator

Solution

The fourth proportional to 18,997,660, 28,496,490 and 8,360,092 is: 12,540,138

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997,660 : 28,496,490 = 8,360,092 : x
  2. Step 2: Convert to fraction form
    18,997,660/28,496,490 = 8,360,092/x
  3. Step 3: Cross multiply
    18,997,660x = 28,496,490 × 8,360,092
  4. Step 4: Simplify right side
    18,997,660x = 238,233,278,077,080
  5. Step 5: Solve for x
    x = 238,233,278,077,080/18,997,660
  6. Step 6: Final answer
    x = 12,540,138

Related Problems

Find fourth proportional to 9,498,830, 14,248,245 and 4,180,046
Half scale
Find fourth proportional to 37,995,320, 56,992,980 and 16,720,184
Double scale
Find fourth proportional to 18,997,661, 28,496,491.50 and 8,360,093
Similar ratio
Find fourth proportional to 28,496,490, 42,744,735 and 12,540,138
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.