Home / 10,902,147.40-16,353,221.10-8,776,383.40

Finding the Fourth Proportional to 10,902,147.40, 16,353,221.10 and 8,776,383.40

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Solution

The fourth proportional to 10,902,147.40, 16,353,221.10 and 8,776,383.40 is: 13,164,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,147.40 : 16,353,221.10 = 8,776,383.40 : x
  2. Step 2: Convert to fraction form
    10,902,147.40/16,353,221.10 = 8,776,383.40/x
  3. Step 3: Cross multiply
    10,902,147.40x = 16,353,221.10 × 8,776,383.40
  4. Step 4: Simplify right side
    10,902,147.40x = 143,522,138,198,569.75
  5. Step 5: Solve for x
    x = 143,522,138,198,569.75/10,902,147.40
  6. Step 6: Final answer
    x = 13,164,575.10

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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.