Home / 15,037,075.20-20,751,187.32-8,161,560.12

Finding the Fourth Proportional to 15,037,075.20, 20,751,187.32 and 8,161,560.12

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Solution

The fourth proportional to 15,037,075.20, 20,751,187.32 and 8,161,560.12 is: 11,262,965.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,075.20 : 20,751,187.32 = 8,161,560.12 : x
  2. Step 2: Convert to fraction form
    15,037,075.20/20,751,187.32 = 8,161,560.12/x
  3. Step 3: Cross multiply
    15,037,075.20x = 20,751,187.32 × 8,161,560.12
  4. Step 4: Simplify right side
    15,037,075.20x = 169,362,062,873,561.69
  5. Step 5: Solve for x
    x = 169,362,062,873,561.69/15,037,075.20
  6. Step 6: Final answer
    x = 11,262,965.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.