Home / 20,178,043.30-30,267,064.95-9,944,851.60

Finding the Fourth Proportional to 20,178,043.30, 30,267,064.95 and 9,944,851.60

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Solution

The fourth proportional to 20,178,043.30, 30,267,064.95 and 9,944,851.60 is: 14,917,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,043.30 : 30,267,064.95 = 9,944,851.60 : x
  2. Step 2: Convert to fraction form
    20,178,043.30/30,267,064.95 = 9,944,851.60/x
  3. Step 3: Cross multiply
    20,178,043.30x = 30,267,064.95 × 9,944,851.60
  4. Step 4: Simplify right side
    20,178,043.30x = 301,001,469,295,311.38
  5. Step 5: Solve for x
    x = 301,001,469,295,311.38/20,178,043.30
  6. Step 6: Final answer
    x = 14,917,277.40

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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.