Home / 10,387,581.66-15,652,275.32-8,535,805.02

Finding the Fourth Proportional to 10,387,581.66, 15,652,275.32 and 8,535,805.02

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Solution

The fourth proportional to 10,387,581.66, 15,652,275.32 and 8,535,805.02 is: 12,861,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387,581.66 : 15,652,275.32 = 8,535,805.02 : x
  2. Step 2: Convert to fraction form
    10,387,581.66/15,652,275.32 = 8,535,805.02/x
  3. Step 3: Cross multiply
    10,387,581.66x = 15,652,275.32 × 8,535,805.02
  4. Step 4: Simplify right side
    10,387,581.66x = 133,604,770,272,217.61
  5. Step 5: Solve for x
    x = 133,604,770,272,217.61/10,387,581.66
  6. Step 6: Final answer
    x = 12,861,970.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.