Home / 28,230,793.60-42,290,203.20-16,837,398.40

Finding the Fourth Proportional to 28,230,793.60, 42,290,203.20 and 16,837,398.40

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Solution

The fourth proportional to 28,230,793.60, 42,290,203.20 and 16,837,398.40 is: 25,222,705.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230,793.60 : 42,290,203.20 = 16,837,398.40 : x
  2. Step 2: Convert to fraction form
    28,230,793.60/42,290,203.20 = 16,837,398.40/x
  3. Step 3: Cross multiply
    28,230,793.60x = 42,290,203.20 × 16,837,398.40
  4. Step 4: Simplify right side
    28,230,793.60x = 712,056,999,695,354.88
  5. Step 5: Solve for x
    x = 712,056,999,695,354.88/28,230,793.60
  6. Step 6: Final answer
    x = 25,222,705.74

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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.