Home / 15,059,935.30-20,781,915.32-8,533,642.98

Finding the Fourth Proportional to 15,059,935.30, 20,781,915.32 and 8,533,642.98

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Solution

The fourth proportional to 15,059,935.30, 20,781,915.32 and 8,533,642.98 is: 11,775,976.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,059,935.30 : 20,781,915.32 = 8,533,642.98 : x
  2. Step 2: Convert to fraction form
    15,059,935.30/20,781,915.32 = 8,533,642.98/x
  3. Step 3: Cross multiply
    15,059,935.30x = 20,781,915.32 × 8,533,642.98
  4. Step 4: Simplify right side
    15,059,935.30x = 177,345,445,781,472.47
  5. Step 5: Solve for x
    x = 177,345,445,781,472.47/15,059,935.30
  6. Step 6: Final answer
    x = 11,775,976.61

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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.