Home / 12,251,952.60-18,377,928.90-8,220,874.20

Finding the Fourth Proportional to 12,251,952.60, 18,377,928.90 and 8,220,874.20

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Solution

The fourth proportional to 12,251,952.60, 18,377,928.90 and 8,220,874.20 is: 12,331,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,952.60 : 18,377,928.90 = 8,220,874.20 : x
  2. Step 2: Convert to fraction form
    12,251,952.60/18,377,928.90 = 8,220,874.20/x
  3. Step 3: Cross multiply
    12,251,952.60x = 18,377,928.90 × 8,220,874.20
  4. Step 4: Simplify right side
    12,251,952.60x = 151,082,641,543,444.38
  5. Step 5: Solve for x
    x = 151,082,641,543,444.38/12,251,952.60
  6. Step 6: Final answer
    x = 12,331,311.30

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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.