Home / 31,935,310.40-47,902,273.95-8,905,630.43

Finding the Fourth Proportional to 31,935,310.40, 47,902,273.95 and 8,905,630.43

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Solution

The fourth proportional to 31,935,310.40, 47,902,273.95 and 8,905,630.43 is: 13,358,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935,310.40 : 47,902,273.95 = 8,905,630.43 : x
  2. Step 2: Convert to fraction form
    31,935,310.40/47,902,273.95 = 8,905,630.43/x
  3. Step 3: Cross multiply
    31,935,310.40x = 47,902,273.95 × 8,905,630.43
  4. Step 4: Simplify right side
    31,935,310.40x = 426,599,948,555,316.31
  5. Step 5: Solve for x
    x = 426,599,948,555,316.31/31,935,310.40
  6. Step 6: Final answer
    x = 13,358,252.77

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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.