Home / 22,142,938.60-33,214,407.90-12,587,789.80

Finding the Fourth Proportional to 22,142,938.60, 33,214,407.90 and 12,587,789.80

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Solution

The fourth proportional to 22,142,938.60, 33,214,407.90 and 12,587,789.80 is: 18,881,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,142,938.60 : 33,214,407.90 = 12,587,789.80 : x
  2. Step 2: Convert to fraction form
    22,142,938.60/33,214,407.90 = 12,587,789.80/x
  3. Step 3: Cross multiply
    22,142,938.60x = 33,214,407.90 × 12,587,789.80
  4. Step 4: Simplify right side
    22,142,938.60x = 418,095,984,976,659.44
  5. Step 5: Solve for x
    x = 418,095,984,976,659.44/22,142,938.60
  6. Step 6: Final answer
    x = 18,881,684.70

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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.