Home / 20,178,046.30-30,267,069.45-9,944,854.60

Finding the Fourth Proportional to 20,178,046.30, 30,267,069.45 and 9,944,854.60

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Solution

The fourth proportional to 20,178,046.30, 30,267,069.45 and 9,944,854.60 is: 14,917,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,046.30 : 30,267,069.45 = 9,944,854.60 : x
  2. Step 2: Convert to fraction form
    20,178,046.30/30,267,069.45 = 9,944,854.60/x
  3. Step 3: Cross multiply
    20,178,046.30x = 30,267,069.45 × 9,944,854.60
  4. Step 4: Simplify right side
    20,178,046.30x = 301,001,604,848,351.94
  5. Step 5: Solve for x
    x = 301,001,604,848,351.94/20,178,046.30
  6. Step 6: Final answer
    x = 14,917,281.90

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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.