Home / 13,814,979.20-20,722,468.80-10,455,747.20

Finding the Fourth Proportional to 13,814,979.20, 20,722,468.80 and 10,455,747.20

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Solution

The fourth proportional to 13,814,979.20, 20,722,468.80 and 10,455,747.20 is: 15,683,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814,979.20 : 20,722,468.80 = 10,455,747.20 : x
  2. Step 2: Convert to fraction form
    13,814,979.20/20,722,468.80 = 10,455,747.20/x
  3. Step 3: Cross multiply
    13,814,979.20x = 20,722,468.80 × 10,455,747.20
  4. Step 4: Simplify right side
    13,814,979.20x = 216,668,895,132,687.34
  5. Step 5: Solve for x
    x = 216,668,895,132,687.34/13,814,979.20
  6. Step 6: Final answer
    x = 15,683,620.80

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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.