Home / 7,135,036.85-9,846,377.61-3,871,852.25

Finding the Fourth Proportional to 7,135,036.85, 9,846,377.61 and 3,871,852.25

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Solution

The fourth proportional to 7,135,036.85, 9,846,377.61 and 3,871,852.25 is: 5,343,170.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,036.85 : 9,846,377.61 = 3,871,852.25 : x
  2. Step 2: Convert to fraction form
    7,135,036.85/9,846,377.61 = 3,871,852.25/x
  3. Step 3: Cross multiply
    7,135,036.85x = 9,846,377.61 × 3,871,852.25
  4. Step 4: Simplify right side
    7,135,036.85x = 38,123,719,268,915.68
  5. Step 5: Solve for x
    x = 38,123,719,268,915.68/7,135,036.85
  6. Step 6: Final answer
    x = 5,343,170.62

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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.