Home / 8,791,912.80-13,187,869.20-5,922,131.40

Finding the Fourth Proportional to 8,791,912.80, 13,187,869.20 and 5,922,131.40

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Solution

The fourth proportional to 8,791,912.80, 13,187,869.20 and 5,922,131.40 is: 8,883,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791,912.80 : 13,187,869.20 = 5,922,131.40 : x
  2. Step 2: Convert to fraction form
    8,791,912.80/13,187,869.20 = 5,922,131.40/x
  3. Step 3: Cross multiply
    8,791,912.80x = 13,187,869.20 × 5,922,131.40
  4. Step 4: Simplify right side
    8,791,912.80x = 78,100,294,288,412.88
  5. Step 5: Solve for x
    x = 78,100,294,288,412.88/8,791,912.80
  6. Step 6: Final answer
    x = 8,883,197.10

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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.