Home / 31,854,577.80-47,788,010.70-13,658,507.40

Finding the Fourth Proportional to 31,854,577.80, 47,788,010.70 and 13,658,507.40

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Solution

The fourth proportional to 31,854,577.80, 47,788,010.70 and 13,658,507.40 is: 20,490,395.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,854,577.80 : 47,788,010.70 = 13,658,507.40 : x
  2. Step 2: Convert to fraction form
    31,854,577.80/47,788,010.70 = 13,658,507.40/x
  3. Step 3: Cross multiply
    31,854,577.80x = 47,788,010.70 × 13,658,507.40
  4. Step 4: Simplify right side
    31,854,577.80x = 652,712,897,777,229.25
  5. Step 5: Solve for x
    x = 652,712,897,777,229.25/31,854,577.80
  6. Step 6: Final answer
    x = 20,490,395.51

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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.