Home / 28,069,680.60-42,118,517.70-15,948,451.80

Finding the Fourth Proportional to 28,069,680.60, 42,118,517.70 and 15,948,451.80

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Solution

The fourth proportional to 28,069,680.60, 42,118,517.70 and 15,948,451.80 is: 23,930,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069,680.60 : 42,118,517.70 = 15,948,451.80 : x
  2. Step 2: Convert to fraction form
    28,069,680.60/42,118,517.70 = 15,948,451.80/x
  3. Step 3: Cross multiply
    28,069,680.60x = 42,118,517.70 × 15,948,451.80
  4. Step 4: Simplify right side
    28,069,680.60x = 671,725,149,425,897
  5. Step 5: Solve for x
    x = 671,725,149,425,897/28,069,680.60
  6. Step 6: Final answer
    x = 23,930,630.31

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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.