Home / 31,561,378.60-47,342,534.48-8,840,839.72

Finding the Fourth Proportional to 31,561,378.60, 47,342,534.48 and 8,840,839.72

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Solution

The fourth proportional to 31,561,378.60, 47,342,534.48 and 8,840,839.72 is: 13,261,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,561,378.60 : 47,342,534.48 = 8,840,839.72 : x
  2. Step 2: Convert to fraction form
    31,561,378.60/47,342,534.48 = 8,840,839.72/x
  3. Step 3: Cross multiply
    31,561,378.60x = 47,342,534.48 × 8,840,839.72
  4. Step 4: Simplify right side
    31,561,378.60x = 418,547,759,276,253.56
  5. Step 5: Solve for x
    x = 418,547,759,276,253.56/31,561,378.60
  6. Step 6: Final answer
    x = 13,261,390.28

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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.