Home / 18,589,502.40-27,884,253.60-9,980,158.20

Finding the Fourth Proportional to 18,589,502.40, 27,884,253.60 and 9,980,158.20

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Solution

The fourth proportional to 18,589,502.40, 27,884,253.60 and 9,980,158.20 is: 14,970,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589,502.40 : 27,884,253.60 = 9,980,158.20 : x
  2. Step 2: Convert to fraction form
    18,589,502.40/27,884,253.60 = 9,980,158.20/x
  3. Step 3: Cross multiply
    18,589,502.40x = 27,884,253.60 × 9,980,158.20
  4. Step 4: Simplify right side
    18,589,502.40x = 278,289,262,216,919.50
  5. Step 5: Solve for x
    x = 278,289,262,216,919.50/18,589,502.40
  6. Step 6: Final answer
    x = 14,970,237.30

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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.