Home / 20,723,246.60-31,084,869.90-13,955,016.20

Finding the Fourth Proportional to 20,723,246.60, 31,084,869.90 and 13,955,016.20

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Solution

The fourth proportional to 20,723,246.60, 31,084,869.90 and 13,955,016.20 is: 20,932,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,246.60 : 31,084,869.90 = 13,955,016.20 : x
  2. Step 2: Convert to fraction form
    20,723,246.60/31,084,869.90 = 13,955,016.20/x
  3. Step 3: Cross multiply
    20,723,246.60x = 31,084,869.90 × 13,955,016.20
  4. Step 4: Simplify right side
    20,723,246.60x = 433,789,863,029,392.31
  5. Step 5: Solve for x
    x = 433,789,863,029,392.31/20,723,246.60
  6. Step 6: Final answer
    x = 20,932,524.30

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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.