Home / 13,414,919.80-20,120,565.30-5,333,841.40

Finding the Fourth Proportional to 13,414,919.80, 20,120,565.30 and 5,333,841.40

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Solution

The fourth proportional to 13,414,919.80, 20,120,565.30 and 5,333,841.40 is: 8,000,040.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414,919.80 : 20,120,565.30 = 5,333,841.40 : x
  2. Step 2: Convert to fraction form
    13,414,919.80/20,120,565.30 = 5,333,841.40/x
  3. Step 3: Cross multiply
    13,414,919.80x = 20,120,565.30 × 5,333,841.40
  4. Step 4: Simplify right side
    13,414,919.80x = 107,319,904,188,543.44
  5. Step 5: Solve for x
    x = 107,319,904,188,543.44/13,414,919.80
  6. Step 6: Final answer
    x = 8,000,040.69

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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.