Home / 13,743,123.12-20,614,684.68-5,221,443.60

Finding the Fourth Proportional to 13,743,123.12, 20,614,684.68 and 5,221,443.60

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Solution

The fourth proportional to 13,743,123.12, 20,614,684.68 and 5,221,443.60 is: 7,832,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743,123.12 : 20,614,684.68 = 5,221,443.60 : x
  2. Step 2: Convert to fraction form
    13,743,123.12/20,614,684.68 = 5,221,443.60/x
  3. Step 3: Cross multiply
    13,743,123.12x = 20,614,684.68 × 5,221,443.60
  4. Step 4: Simplify right side
    13,743,123.12x = 107,638,413,388,404.03
  5. Step 5: Solve for x
    x = 107,638,413,388,404.03/13,743,123.12
  6. Step 6: Final answer
    x = 7,832,165.40

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Double scale
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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.