Home / 9,189,520.68-12,681,330.18-5,753,657.64

Finding the Fourth Proportional to 9,189,520.68, 12,681,330.18 and 5,753,657.64

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Solution

The fourth proportional to 9,189,520.68, 12,681,330.18 and 5,753,657.64 is: 7,939,917.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189,520.68 : 12,681,330.18 = 5,753,657.64 : x
  2. Step 2: Convert to fraction form
    9,189,520.68/12,681,330.18 = 5,753,657.64/x
  3. Step 3: Cross multiply
    9,189,520.68x = 12,681,330.18 × 5,753,657.64
  4. Step 4: Simplify right side
    9,189,520.68x = 72,964,032,275,519.56
  5. Step 5: Solve for x
    x = 72,964,032,275,519.56/9,189,520.68
  6. Step 6: Final answer
    x = 7,939,917.09

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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.