Home / 42,005,076.80-63,016,531.68-13,259,520.32

Finding the Fourth Proportional to 42,005,076.80, 63,016,531.68 and 13,259,520.32

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Solution

The fourth proportional to 42,005,076.80, 63,016,531.68 and 13,259,520.32 is: 19,892,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,005,076.80 : 63,016,531.68 = 13,259,520.32 : x
  2. Step 2: Convert to fraction form
    42,005,076.80/63,016,531.68 = 13,259,520.32/x
  3. Step 3: Cross multiply
    42,005,076.80x = 63,016,531.68 × 13,259,520.32
  4. Step 4: Simplify right side
    42,005,076.80x = 835,568,982,306,883.75
  5. Step 5: Solve for x
    x = 835,568,982,306,883.75/42,005,076.80
  6. Step 6: Final answer
    x = 19,892,095.10

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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.