Home / 12,251,276.60-18,376,914.90-8,209,700.60

Finding the Fourth Proportional to 12,251,276.60, 18,376,914.90 and 8,209,700.60

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Solution

The fourth proportional to 12,251,276.60, 18,376,914.90 and 8,209,700.60 is: 12,314,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,276.60 : 18,376,914.90 = 8,209,700.60 : x
  2. Step 2: Convert to fraction form
    12,251,276.60/18,376,914.90 = 8,209,700.60/x
  3. Step 3: Cross multiply
    12,251,276.60x = 18,376,914.90 × 8,209,700.60
  4. Step 4: Simplify right side
    12,251,276.60x = 150,868,969,280,678.91
  5. Step 5: Solve for x
    x = 150,868,969,280,678.91/12,251,276.60
  6. Step 6: Final answer
    x = 12,314,550.90

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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.