Home / 18,578,538.20-27,867,807.30-14,327,010.20

Finding the Fourth Proportional to 18,578,538.20, 27,867,807.30 and 14,327,010.20

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Solution

The fourth proportional to 18,578,538.20, 27,867,807.30 and 14,327,010.20 is: 21,490,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578,538.20 : 27,867,807.30 = 14,327,010.20 : x
  2. Step 2: Convert to fraction form
    18,578,538.20/27,867,807.30 = 14,327,010.20/x
  3. Step 3: Cross multiply
    18,578,538.20x = 27,867,807.30 × 14,327,010.20
  4. Step 4: Simplify right side
    18,578,538.20x = 399,262,359,438,734.44
  5. Step 5: Solve for x
    x = 399,262,359,438,734.44/18,578,538.20
  6. Step 6: Final answer
    x = 21,490,515.30

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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.