Home / 10,368,936.60-15,553,404.90-8,227,426.20

Finding the Fourth Proportional to 10,368,936.60, 15,553,404.90 and 8,227,426.20

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Solution

The fourth proportional to 10,368,936.60, 15,553,404.90 and 8,227,426.20 is: 12,341,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,936.60 : 15,553,404.90 = 8,227,426.20 : x
  2. Step 2: Convert to fraction form
    10,368,936.60/15,553,404.90 = 8,227,426.20/x
  3. Step 3: Cross multiply
    10,368,936.60x = 15,553,404.90 × 8,227,426.20
  4. Step 4: Simplify right side
    10,368,936.60x = 127,964,490,973,468.39
  5. Step 5: Solve for x
    x = 127,964,490,973,468.39/10,368,936.60
  6. Step 6: Final answer
    x = 12,341,139.30

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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.