Home / 18,534,071.40-27,801,107.10-15,321,805.80

Finding the Fourth Proportional to 18,534,071.40, 27,801,107.10 and 15,321,805.80

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Solution

The fourth proportional to 18,534,071.40, 27,801,107.10 and 15,321,805.80 is: 22,982,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534,071.40 : 27,801,107.10 = 15,321,805.80 : x
  2. Step 2: Convert to fraction form
    18,534,071.40/27,801,107.10 = 15,321,805.80/x
  3. Step 3: Cross multiply
    18,534,071.40x = 27,801,107.10 × 15,321,805.80
  4. Step 4: Simplify right side
    18,534,071.40x = 425,963,164,011,201.25
  5. Step 5: Solve for x
    x = 425,963,164,011,201.25/18,534,071.40
  6. Step 6: Final answer
    x = 22,982,708.70

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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.