Home / 31,935,309.15-47,902,272.08-8,905,629.18

Finding the Fourth Proportional to 31,935,309.15, 47,902,272.08 and 8,905,629.18

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Solution

The fourth proportional to 31,935,309.15, 47,902,272.08 and 8,905,629.18 is: 13,358,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935,309.15 : 47,902,272.08 = 8,905,629.18 : x
  2. Step 2: Convert to fraction form
    31,935,309.15/47,902,272.08 = 8,905,629.18/x
  3. Step 3: Cross multiply
    31,935,309.15x = 47,902,272.08 × 8,905,629.18
  4. Step 4: Simplify right side
    31,935,309.15x = 426,599,872,046,211.38
  5. Step 5: Solve for x
    x = 426,599,872,046,211.38/31,935,309.15
  6. Step 6: Final answer
    x = 13,358,250.90

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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.