Home / 42,040,992.60-63,061,488.90-15,117,370.20

Finding the Fourth Proportional to 42,040,992.60, 63,061,488.90 and 15,117,370.20

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Solution

The fourth proportional to 42,040,992.60, 63,061,488.90 and 15,117,370.20 is: 22,676,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,040,992.60 : 63,061,488.90 = 15,117,370.20 : x
  2. Step 2: Convert to fraction form
    42,040,992.60/63,061,488.90 = 15,117,370.20/x
  3. Step 3: Cross multiply
    42,040,992.60x = 63,061,488.90 × 15,117,370.20
  4. Step 4: Simplify right side
    42,040,992.60x = 953,323,873,064,490.75
  5. Step 5: Solve for x
    x = 953,323,873,064,490.75/42,040,992.60
  6. Step 6: Final answer
    x = 22,676,055.30

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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.