Home / 9,215,069.96-12,719,325.90-5,348,836.72

Finding the Fourth Proportional to 9,215,069.96, 12,719,325.90 and 5,348,836.72

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Solution

The fourth proportional to 9,215,069.96, 12,719,325.90 and 5,348,836.72 is: 7,382,862.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,069.96 : 12,719,325.90 = 5,348,836.72 : x
  2. Step 2: Convert to fraction form
    9,215,069.96/12,719,325.90 = 5,348,836.72/x
  3. Step 3: Cross multiply
    9,215,069.96x = 12,719,325.90 × 5,348,836.72
  4. Step 4: Simplify right side
    9,215,069.96x = 68,033,597,427,567.05
  5. Step 5: Solve for x
    x = 68,033,597,427,567.05/9,215,069.96
  6. Step 6: Final answer
    x = 7,382,862.82

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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.