Home / 10,328,972.72-14,253,789.31-7,065,677.12

Finding the Fourth Proportional to 10,328,972.72, 14,253,789.31 and 7,065,677.12

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Solution

The fourth proportional to 10,328,972.72, 14,253,789.31 and 7,065,677.12 is: 9,750,502.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328,972.72 : 14,253,789.31 = 7,065,677.12 : x
  2. Step 2: Convert to fraction form
    10,328,972.72/14,253,789.31 = 7,065,677.12/x
  3. Step 3: Cross multiply
    10,328,972.72x = 14,253,789.31 × 7,065,677.12
  4. Step 4: Simplify right side
    10,328,972.72x = 100,712,672,912,034.44
  5. Step 5: Solve for x
    x = 100,712,672,912,034.44/10,328,972.72
  6. Step 6: Final answer
    x = 9,750,502.37

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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.