Home / 18,059,979.40-27,134,205.90-13,581,003.40

Finding the Fourth Proportional to 18,059,979.40, 27,134,205.90 and 13,581,003.40

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Solution

The fourth proportional to 18,059,979.40, 27,134,205.90 and 13,581,003.40 is: 20,404,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,059,979.40 : 27,134,205.90 = 13,581,003.40 : x
  2. Step 2: Convert to fraction form
    18,059,979.40/27,134,205.90 = 13,581,003.40/x
  3. Step 3: Cross multiply
    18,059,979.40x = 27,134,205.90 × 13,581,003.40
  4. Step 4: Simplify right side
    18,059,979.40x = 368,509,742,584,200.06
  5. Step 5: Solve for x
    x = 368,509,742,584,200.06/18,059,979.40
  6. Step 6: Final answer
    x = 20,404,770.93

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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.