Home / 7,712,891.40-11,558,277.90-5,675,233.80

Finding the Fourth Proportional to 7,712,891.40, 11,558,277.90 and 5,675,233.80

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Solution

The fourth proportional to 7,712,891.40, 11,558,277.90 and 5,675,233.80 is: 8,504,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712,891.40 : 11,558,277.90 = 5,675,233.80 : x
  2. Step 2: Convert to fraction form
    7,712,891.40/11,558,277.90 = 5,675,233.80/x
  3. Step 3: Cross multiply
    7,712,891.40x = 11,558,277.90 × 5,675,233.80
  4. Step 4: Simplify right side
    7,712,891.40x = 65,595,929,407,873.02
  5. Step 5: Solve for x
    x = 65,595,929,407,873.02/7,712,891.40
  6. Step 6: Final answer
    x = 8,504,713.21

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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.