Home / 10,902,475.92-15,045,227.82-6,319,223.76

Finding the Fourth Proportional to 10,902,475.92, 15,045,227.82 and 6,319,223.76

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Solution

The fourth proportional to 10,902,475.92, 15,045,227.82 and 6,319,223.76 is: 8,720,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,475.92 : 15,045,227.82 = 6,319,223.76 : x
  2. Step 2: Convert to fraction form
    10,902,475.92/15,045,227.82 = 6,319,223.76/x
  3. Step 3: Cross multiply
    10,902,475.92x = 15,045,227.82 × 6,319,223.76
  4. Step 4: Simplify right side
    10,902,475.92x = 95,074,161,114,757
  5. Step 5: Solve for x
    x = 95,074,161,114,757/10,902,475.92
  6. Step 6: Final answer
    x = 8,720,419.27

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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.