Home / 32,861,685.72-45,111,654.45-28,207,390.50

Finding the Fourth Proportional to 32,861,685.72, 45,111,654.45 and 28,207,390.50

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Solution

The fourth proportional to 32,861,685.72, 45,111,654.45 and 28,207,390.50 is: 38,722,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,861,685.72 : 45,111,654.45 = 28,207,390.50 : x
  2. Step 2: Convert to fraction form
    32,861,685.72/45,111,654.45 = 28,207,390.50/x
  3. Step 3: Cross multiply
    32,861,685.72x = 45,111,654.45 × 28,207,390.50
  4. Step 4: Simplify right side
    32,861,685.72x = 1,272,482,053,144,564
  5. Step 5: Solve for x
    x = 1,272,482,053,144,564/32,861,685.72
  6. Step 6: Final answer
    x = 38,722,360.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.