Home / 18,087,712.60-27,131,568.90-10,913,259.10

Finding the Fourth Proportional to 18,087,712.60, 27,131,568.90 and 10,913,259.10

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Solution

The fourth proportional to 18,087,712.60, 27,131,568.90 and 10,913,259.10 is: 16,369,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087,712.60 : 27,131,568.90 = 10,913,259.10 : x
  2. Step 2: Convert to fraction form
    18,087,712.60/27,131,568.90 = 10,913,259.10/x
  3. Step 3: Cross multiply
    18,087,712.60x = 27,131,568.90 × 10,913,259.10
  4. Step 4: Simplify right side
    18,087,712.60x = 296,093,841,195,201.94
  5. Step 5: Solve for x
    x = 296,093,841,195,201.94/18,087,712.60
  6. Step 6: Final answer
    x = 16,369,888.65

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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.