Home / 8,747,231.60-13,120,847.40-5,370,489.20

Finding the Fourth Proportional to 8,747,231.60, 13,120,847.40 and 5,370,489.20

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Solution

The fourth proportional to 8,747,231.60, 13,120,847.40 and 5,370,489.20 is: 8,055,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747,231.60 : 13,120,847.40 = 5,370,489.20 : x
  2. Step 2: Convert to fraction form
    8,747,231.60/13,120,847.40 = 5,370,489.20/x
  3. Step 3: Cross multiply
    8,747,231.60x = 13,120,847.40 × 5,370,489.20
  4. Step 4: Simplify right side
    8,747,231.60x = 70,465,369,256,548.08
  5. Step 5: Solve for x
    x = 70,465,369,256,548.08/8,747,231.60
  6. Step 6: Final answer
    x = 8,055,733.80

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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.