Home / 7,447,429.60-11,171,144.40-7,101,008.80

Finding the Fourth Proportional to 7,447,429.60, 11,171,144.40 and 7,101,008.80

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Solution

The fourth proportional to 7,447,429.60, 11,171,144.40 and 7,101,008.80 is: 10,651,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,429.60 : 11,171,144.40 = 7,101,008.80 : x
  2. Step 2: Convert to fraction form
    7,447,429.60/11,171,144.40 = 7,101,008.80/x
  3. Step 3: Cross multiply
    7,447,429.60x = 11,171,144.40 × 7,101,008.80
  4. Step 4: Simplify right side
    7,447,429.60x = 79,326,394,690,470.72
  5. Step 5: Solve for x
    x = 79,326,394,690,470.72/7,447,429.60
  6. Step 6: Final answer
    x = 10,651,513.20

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Similar ratio
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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.