Home / 13,031,013.25-17,982,800.49-7,229,781.15

Finding the Fourth Proportional to 13,031,013.25, 17,982,800.49 and 7,229,781.15

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Solution

The fourth proportional to 13,031,013.25, 17,982,800.49 and 7,229,781.15 is: 9,977,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031,013.25 : 17,982,800.49 = 7,229,781.15 : x
  2. Step 2: Convert to fraction form
    13,031,013.25/17,982,800.49 = 7,229,781.15/x
  3. Step 3: Cross multiply
    13,031,013.25x = 17,982,800.49 × 7,229,781.15
  4. Step 4: Simplify right side
    13,031,013.25x = 130,011,712,006,812.77
  5. Step 5: Solve for x
    x = 130,011,712,006,812.77/13,031,013.25
  6. Step 6: Final answer
    x = 9,977,099.21

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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.