Home / 15,458,937.20-23,169,743.40-7,882,002.80

Finding the Fourth Proportional to 15,458,937.20, 23,169,743.40 and 7,882,002.80

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Solution

The fourth proportional to 15,458,937.20, 23,169,743.40 and 7,882,002.80 is: 11,813,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458,937.20 : 23,169,743.40 = 7,882,002.80 : x
  2. Step 2: Convert to fraction form
    15,458,937.20/23,169,743.40 = 7,882,002.80/x
  3. Step 3: Cross multiply
    15,458,937.20x = 23,169,743.40 × 7,882,002.80
  4. Step 4: Simplify right side
    15,458,937.20x = 182,623,982,354,081.50
  5. Step 5: Solve for x
    x = 182,623,982,354,081.50/15,458,937.20
  6. Step 6: Final answer
    x = 11,813,488.86

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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.