Home / 8,681,326.87-11,979,367.55-5,011,425.75

Finding the Fourth Proportional to 8,681,326.87, 11,979,367.55 and 5,011,425.75

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Solution

The fourth proportional to 8,681,326.87, 11,979,367.55 and 5,011,425.75 is: 6,915,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,326.87 : 11,979,367.55 = 5,011,425.75 : x
  2. Step 2: Convert to fraction form
    8,681,326.87/11,979,367.55 = 5,011,425.75/x
  3. Step 3: Cross multiply
    8,681,326.87x = 11,979,367.55 × 5,011,425.75
  4. Step 4: Simplify right side
    8,681,326.87x = 60,033,711,053,611.83
  5. Step 5: Solve for x
    x = 60,033,711,053,611.83/8,681,326.87
  6. Step 6: Final answer
    x = 6,915,269.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.