Home / 31,935,308.40-47,902,270.96-8,905,628.43

Finding the Fourth Proportional to 31,935,308.40, 47,902,270.96 and 8,905,628.43

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Solution

The fourth proportional to 31,935,308.40, 47,902,270.96 and 8,905,628.43 is: 13,358,249.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935,308.40 : 47,902,270.96 = 8,905,628.43 : x
  2. Step 2: Convert to fraction form
    31,935,308.40/47,902,270.96 = 8,905,628.43/x
  3. Step 3: Cross multiply
    31,935,308.40x = 47,902,270.96 × 8,905,628.43
  4. Step 4: Simplify right side
    31,935,308.40x = 426,599,826,134,071.44
  5. Step 5: Solve for x
    x = 426,599,826,134,071.44/31,935,308.40
  6. Step 6: Final answer
    x = 13,358,249.77

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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.