Home / 9,215,073.96-12,719,331.42-5,348,840.70

Finding the Fourth Proportional to 9,215,073.96, 12,719,331.42 and 5,348,840.70

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Solution

The fourth proportional to 9,215,073.96, 12,719,331.42 and 5,348,840.70 is: 7,382,868.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,073.96 : 12,719,331.42 = 5,348,840.70 : x
  2. Step 2: Convert to fraction form
    9,215,073.96/12,719,331.42 = 5,348,840.70/x
  3. Step 3: Cross multiply
    9,215,073.96x = 12,719,331.42 × 5,348,840.70
  4. Step 4: Simplify right side
    9,215,073.96x = 68,033,677,576,084.80
  5. Step 5: Solve for x
    x = 68,033,677,576,084.80/9,215,073.96
  6. Step 6: Final answer
    x = 7,382,868.32

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1.5x scale

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.