Home / 8,681,169.20-13,018,067.40-4,194,820.40

Finding the Fourth Proportional to 8,681,169.20, 13,018,067.40 and 4,194,820.40

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Solution

The fourth proportional to 8,681,169.20, 13,018,067.40 and 4,194,820.40 is: 6,290,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,169.20 : 13,018,067.40 = 4,194,820.40 : x
  2. Step 2: Convert to fraction form
    8,681,169.20/13,018,067.40 = 4,194,820.40/x
  3. Step 3: Cross multiply
    8,681,169.20x = 13,018,067.40 × 4,194,820.40
  4. Step 4: Simplify right side
    8,681,169.20x = 54,608,454,698,094.97
  5. Step 5: Solve for x
    x = 54,608,454,698,094.97/8,681,169.20
  6. Step 6: Final answer
    x = 6,290,449.30

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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.