Home / 31,935,309.40-47,902,272.45-8,905,629.43

Finding the Fourth Proportional to 31,935,309.40, 47,902,272.45 and 8,905,629.43

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Solution

The fourth proportional to 31,935,309.40, 47,902,272.45 and 8,905,629.43 is: 13,358,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935,309.40 : 47,902,272.45 = 8,905,629.43 : x
  2. Step 2: Convert to fraction form
    31,935,309.40/47,902,272.45 = 8,905,629.43/x
  3. Step 3: Cross multiply
    31,935,309.40x = 47,902,272.45 × 8,905,629.43
  4. Step 4: Simplify right side
    31,935,309.40x = 426,599,887,294,598.19
  5. Step 5: Solve for x
    x = 426,599,887,294,598.19/31,935,309.40
  6. Step 6: Final answer
    x = 13,358,251.27

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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.