Home / 20,444,304.60-30,666,456.90-13,641,859.80

Finding the Fourth Proportional to 20,444,304.60, 30,666,456.90 and 13,641,859.80

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Solution

The fourth proportional to 20,444,304.60, 30,666,456.90 and 13,641,859.80 is: 20,462,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444,304.60 : 30,666,456.90 = 13,641,859.80 : x
  2. Step 2: Convert to fraction form
    20,444,304.60/30,666,456.90 = 13,641,859.80/x
  3. Step 3: Cross multiply
    20,444,304.60x = 30,666,456.90 × 13,641,859.80
  4. Step 4: Simplify right side
    20,444,304.60x = 418,347,505,592,542.62
  5. Step 5: Solve for x
    x = 418,347,505,592,542.62/20,444,304.60
  6. Step 6: Final answer
    x = 20,462,789.70

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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.