Home / 31,553,228.76-47,344,832-21,852,769.72

Finding the Fourth Proportional to 31,553,228.76, 47,344,832 and 21,852,769.72

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Solution

The fourth proportional to 31,553,228.76, 47,344,832 and 21,852,769.72 is: 32,789,535.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553,228.76 : 47,344,832 = 21,852,769.72 : x
  2. Step 2: Convert to fraction form
    31,553,228.76/47,344,832 = 21,852,769.72/x
  3. Step 3: Cross multiply
    31,553,228.76x = 47,344,832 × 21,852,769.72
  4. Step 4: Simplify right side
    31,553,228.76x = 1,034,615,711,128,087
  5. Step 5: Solve for x
    x = 1,034,615,711,128,087/31,553,228.76
  6. Step 6: Final answer
    x = 32,789,535.39

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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.