Home / 20,178,631.80-30,267,947.70-17,344,279.80

Finding the Fourth Proportional to 20,178,631.80, 30,267,947.70 and 17,344,279.80

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Solution

The fourth proportional to 20,178,631.80, 30,267,947.70 and 17,344,279.80 is: 26,016,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,631.80 : 30,267,947.70 = 17,344,279.80 : x
  2. Step 2: Convert to fraction form
    20,178,631.80/30,267,947.70 = 17,344,279.80/x
  3. Step 3: Cross multiply
    20,178,631.80x = 30,267,947.70 × 17,344,279.80
  4. Step 4: Simplify right side
    20,178,631.80x = 524,975,753,880,566.50
  5. Step 5: Solve for x
    x = 524,975,753,880,566.50/20,178,631.80
  6. Step 6: Final answer
    x = 26,016,419.70

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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.