Home / 18,589,619.10-27,884,428.65-5,810,103.30

Finding the Fourth Proportional to 18,589,619.10, 27,884,428.65 and 5,810,103.30

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Solution

The fourth proportional to 18,589,619.10, 27,884,428.65 and 5,810,103.30 is: 8,715,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589,619.10 : 27,884,428.65 = 5,810,103.30 : x
  2. Step 2: Convert to fraction form
    18,589,619.10/27,884,428.65 = 5,810,103.30/x
  3. Step 3: Cross multiply
    18,589,619.10x = 27,884,428.65 × 5,810,103.30
  4. Step 4: Simplify right side
    18,589,619.10x = 162,011,410,917,979.53
  5. Step 5: Solve for x
    x = 162,011,410,917,979.53/18,589,619.10
  6. Step 6: Final answer
    x = 8,715,154.95

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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.