Home / 20,226,475.90-30,339,713.85-8,101,747.90

Finding the Fourth Proportional to 20,226,475.90, 30,339,713.85 and 8,101,747.90

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Solution

The fourth proportional to 20,226,475.90, 30,339,713.85 and 8,101,747.90 is: 12,152,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,475.90 : 30,339,713.85 = 8,101,747.90 : x
  2. Step 2: Convert to fraction form
    20,226,475.90/30,339,713.85 = 8,101,747.90/x
  3. Step 3: Cross multiply
    20,226,475.90x = 30,339,713.85 × 8,101,747.90
  4. Step 4: Simplify right side
    20,226,475.90x = 245,804,712,970,838.44
  5. Step 5: Solve for x
    x = 245,804,712,970,838.44/20,226,475.90
  6. Step 6: Final answer
    x = 12,152,621.85

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1.5x scale

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.