Home / 8,681,320.53-11,979,359.13-5,011,419.42

Finding the Fourth Proportional to 8,681,320.53, 11,979,359.13 and 5,011,419.42

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Solution

The fourth proportional to 8,681,320.53, 11,979,359.13 and 5,011,419.42 is: 6,915,260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,320.53 : 11,979,359.13 = 5,011,419.42 : x
  2. Step 2: Convert to fraction form
    8,681,320.53/11,979,359.13 = 5,011,419.42/x
  3. Step 3: Cross multiply
    8,681,320.53x = 11,979,359.13 × 5,011,419.42
  4. Step 4: Simplify right side
    8,681,320.53x = 60,033,592,983,236.30
  5. Step 5: Solve for x
    x = 60,033,592,983,236.30/8,681,320.53
  6. Step 6: Final answer
    x = 6,915,260.50

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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.