Home / 15,520,462.38-21,414,860.19-9,410,392.62

Finding the Fourth Proportional to 15,520,462.38, 21,414,860.19 and 9,410,392.62

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Solution

The fourth proportional to 15,520,462.38, 21,414,860.19 and 9,410,392.62 is: 12,984,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520,462.38 : 21,414,860.19 = 9,410,392.62 : x
  2. Step 2: Convert to fraction form
    15,520,462.38/21,414,860.19 = 9,410,392.62/x
  3. Step 3: Cross multiply
    15,520,462.38x = 21,414,860.19 × 9,410,392.62
  4. Step 4: Simplify right side
    15,520,462.38x = 201,522,242,290,307.78
  5. Step 5: Solve for x
    x = 201,522,242,290,307.78/15,520,462.38
  6. Step 6: Final answer
    x = 12,984,293.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.