Home / 18,240,834.60-25,171,963.38-9,980,863.68

Finding the Fourth Proportional to 18,240,834.60, 25,171,963.38 and 9,980,863.68

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Solution

The fourth proportional to 18,240,834.60, 25,171,963.38 and 9,980,863.68 is: 13,773,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240,834.60 : 25,171,963.38 = 9,980,863.68 : x
  2. Step 2: Convert to fraction form
    18,240,834.60/25,171,963.38 = 9,980,863.68/x
  3. Step 3: Cross multiply
    18,240,834.60x = 25,171,963.38 × 9,980,863.68
  4. Step 4: Simplify right side
    18,240,834.60x = 251,237,935,053,732.03
  5. Step 5: Solve for x
    x = 251,237,935,053,732.03/18,240,834.60
  6. Step 6: Final answer
    x = 13,773,379.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.