Home / 18,534,041.40-27,801,062.10-15,321,775.80

Finding the Fourth Proportional to 18,534,041.40, 27,801,062.10 and 15,321,775.80

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Solution

The fourth proportional to 18,534,041.40, 27,801,062.10 and 15,321,775.80 is: 22,982,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534,041.40 : 27,801,062.10 = 15,321,775.80 : x
  2. Step 2: Convert to fraction form
    18,534,041.40/27,801,062.10 = 15,321,775.80/x
  3. Step 3: Cross multiply
    18,534,041.40x = 27,801,062.10 × 15,321,775.80
  4. Step 4: Simplify right side
    18,534,041.40x = 425,961,640,498,077.25
  5. Step 5: Solve for x
    x = 425,961,640,498,077.25/18,534,041.40
  6. Step 6: Final answer
    x = 22,982,663.70

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1.5x scale

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.