Home / 8,681,287.55-11,979,592.88-4,813,665.53

Finding the Fourth Proportional to 8,681,287.55, 11,979,592.88 and 4,813,665.53

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Solution

The fourth proportional to 8,681,287.55, 11,979,592.88 and 4,813,665.53 is: 6,642,534.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,287.55 : 11,979,592.88 = 4,813,665.53 : x
  2. Step 2: Convert to fraction form
    8,681,287.55/11,979,592.88 = 4,813,665.53/x
  3. Step 3: Cross multiply
    8,681,287.55x = 11,979,592.88 × 4,813,665.53
  4. Step 4: Simplify right side
    8,681,287.55x = 57,665,753,285,821.10
  5. Step 5: Solve for x
    x = 57,665,753,285,821.10/8,681,287.55
  6. Step 6: Final answer
    x = 6,642,534.64

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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.