Home / 20,155,269.10-30,234,746.85-8,185,528.30

Finding the Fourth Proportional to 20,155,269.10, 30,234,746.85 and 8,185,528.30

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Solution

The fourth proportional to 20,155,269.10, 30,234,746.85 and 8,185,528.30 is: 12,279,041.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,269.10 : 30,234,746.85 = 8,185,528.30 : x
  2. Step 2: Convert to fraction form
    20,155,269.10/30,234,746.85 = 8,185,528.30/x
  3. Step 3: Cross multiply
    20,155,269.10x = 30,234,746.85 × 8,185,528.30
  4. Step 4: Simplify right side
    20,155,269.10x = 247,487,375,984,010.88
  5. Step 5: Solve for x
    x = 247,487,375,984,010.88/20,155,269.10
  6. Step 6: Final answer
    x = 12,279,041.02

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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.