Home / 7,791,554.40-11,687,331.42-2,111,778.60

Finding the Fourth Proportional to 7,791,554.40, 11,687,331.42 and 2,111,778.60

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Solution

The fourth proportional to 7,791,554.40, 11,687,331.42 and 2,111,778.60 is: 3,167,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,554.40 : 11,687,331.42 = 2,111,778.60 : x
  2. Step 2: Convert to fraction form
    7,791,554.40/11,687,331.42 = 2,111,778.60/x
  3. Step 3: Cross multiply
    7,791,554.40x = 11,687,331.42 × 2,111,778.60
  4. Step 4: Simplify right side
    7,791,554.40x = 24,681,056,383,863.61
  5. Step 5: Solve for x
    x = 24,681,056,383,863.61/7,791,554.40
  6. Step 6: Final answer
    x = 3,167,667.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.