Home / 10,368,006.30-15,552,009.45-7,813,331.10

Finding the Fourth Proportional to 10,368,006.30, 15,552,009.45 and 7,813,331.10

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Solution

The fourth proportional to 10,368,006.30, 15,552,009.45 and 7,813,331.10 is: 11,719,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,006.30 : 15,552,009.45 = 7,813,331.10 : x
  2. Step 2: Convert to fraction form
    10,368,006.30/15,552,009.45 = 7,813,331.10/x
  3. Step 3: Cross multiply
    10,368,006.30x = 15,552,009.45 × 7,813,331.10
  4. Step 4: Simplify right side
    10,368,006.30x = 121,512,999,103,178.89
  5. Step 5: Solve for x
    x = 121,512,999,103,178.89/10,368,006.30
  6. Step 6: Final answer
    x = 11,719,996.65

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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.