Home / 12,088,732.60-18,133,098.90-8,498,553.40

Finding the Fourth Proportional to 12,088,732.60, 18,133,098.90 and 8,498,553.40

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Solution

The fourth proportional to 12,088,732.60, 18,133,098.90 and 8,498,553.40 is: 12,747,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088,732.60 : 18,133,098.90 = 8,498,553.40 : x
  2. Step 2: Convert to fraction form
    12,088,732.60/18,133,098.90 = 8,498,553.40/x
  3. Step 3: Cross multiply
    12,088,732.60x = 18,133,098.90 × 8,498,553.40
  4. Step 4: Simplify right side
    12,088,732.60x = 154,105,109,309,131.25
  5. Step 5: Solve for x
    x = 154,105,109,309,131.25/12,088,732.60
  6. Step 6: Final answer
    x = 12,747,830.10

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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.