Home / 42,508,155.66-63,757,509.57-15,213,345.90

Finding the Fourth Proportional to 42,508,155.66, 63,757,509.57 and 15,213,345.90

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Solution

The fourth proportional to 42,508,155.66, 63,757,509.57 and 15,213,345.90 is: 22,818,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,508,155.66 : 63,757,509.57 = 15,213,345.90 : x
  2. Step 2: Convert to fraction form
    42,508,155.66/63,757,509.57 = 15,213,345.90/x
  3. Step 3: Cross multiply
    42,508,155.66x = 63,757,509.57 × 15,213,345.90
  4. Step 4: Simplify right side
    42,508,155.66x = 969,965,046,810,970.25
  5. Step 5: Solve for x
    x = 969,965,046,810,970.25/42,508,155.66
  6. Step 6: Final answer
    x = 22,818,328.19

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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.