Home / 10,915,035.36-15,068,654.28-6,565,092.72

Finding the Fourth Proportional to 10,915,035.36, 15,068,654.28 and 6,565,092.72

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Solution

The fourth proportional to 10,915,035.36, 15,068,654.28 and 6,565,092.72 is: 9,063,379.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915,035.36 : 15,068,654.28 = 6,565,092.72 : x
  2. Step 2: Convert to fraction form
    10,915,035.36/15,068,654.28 = 6,565,092.72/x
  3. Step 3: Cross multiply
    10,915,035.36x = 15,068,654.28 × 6,565,092.72
  4. Step 4: Simplify right side
    10,915,035.36x = 98,927,112,513,824.83
  5. Step 5: Solve for x
    x = 98,927,112,513,824.83/10,915,035.36
  6. Step 6: Final answer
    x = 9,063,379.94

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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.