Home / 18,125,104.41-25,012,748.12-9,865,147.01

Finding the Fourth Proportional to 18,125,104.41, 25,012,748.12 and 9,865,147.01

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Solution

The fourth proportional to 18,125,104.41, 25,012,748.12 and 9,865,147.01 is: 13,613,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,104.41 : 25,012,748.12 = 9,865,147.01 : x
  2. Step 2: Convert to fraction form
    18,125,104.41/25,012,748.12 = 9,865,147.01/x
  3. Step 3: Cross multiply
    18,125,104.41x = 25,012,748.12 × 9,865,147.01
  4. Step 4: Simplify right side
    18,125,104.41x = 246,754,437,153,511.66
  5. Step 5: Solve for x
    x = 246,754,437,153,511.66/18,125,104.41
  6. Step 6: Final answer
    x = 13,613,959.49

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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.