Home / 18,453,065.40-27,679,598.10-8,217,905.40

Finding the Fourth Proportional to 18,453,065.40, 27,679,598.10 and 8,217,905.40

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Solution

The fourth proportional to 18,453,065.40, 27,679,598.10 and 8,217,905.40 is: 12,326,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,065.40 : 27,679,598.10 = 8,217,905.40 : x
  2. Step 2: Convert to fraction form
    18,453,065.40/27,679,598.10 = 8,217,905.40/x
  3. Step 3: Cross multiply
    18,453,065.40x = 27,679,598.10 × 8,217,905.40
  4. Step 4: Simplify right side
    18,453,065.40x = 227,468,318,695,819.75
  5. Step 5: Solve for x
    x = 227,468,318,695,819.75/18,453,065.40
  6. Step 6: Final answer
    x = 12,326,858.10

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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.