Home / 12,481,602.30-18,722,403.45-11,038,376.70

Finding the Fourth Proportional to 12,481,602.30, 18,722,403.45 and 11,038,376.70

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Solution

The fourth proportional to 12,481,602.30, 18,722,403.45 and 11,038,376.70 is: 16,557,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,602.30 : 18,722,403.45 = 11,038,376.70 : x
  2. Step 2: Convert to fraction form
    12,481,602.30/18,722,403.45 = 11,038,376.70/x
  3. Step 3: Cross multiply
    12,481,602.30x = 18,722,403.45 × 11,038,376.70
  4. Step 4: Simplify right side
    12,481,602.30x = 206,664,942,010,479.59
  5. Step 5: Solve for x
    x = 206,664,942,010,479.59/12,481,602.30
  6. Step 6: Final answer
    x = 16,557,565.05

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Similar ratio
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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.