Home / 18,134,966.40-25,026,215.04-9,874,900.80

Finding the Fourth Proportional to 18,134,966.40, 25,026,215.04 and 9,874,900.80

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Solution

The fourth proportional to 18,134,966.40, 25,026,215.04 and 9,874,900.80 is: 13,627,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134,966.40 : 25,026,215.04 = 9,874,900.80 : x
  2. Step 2: Convert to fraction form
    18,134,966.40/25,026,215.04 = 9,874,900.80/x
  3. Step 3: Cross multiply
    18,134,966.40x = 25,026,215.04 × 9,874,900.80
  4. Step 4: Simplify right side
    18,134,966.40x = 247,131,390,919,468.03
  5. Step 5: Solve for x
    x = 247,131,390,919,468.03/18,134,966.40
  6. Step 6: Final answer
    x = 13,627,342.09

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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.