Home / 9,205,811.57-12,701,200.78-5,337,556.13

Finding the Fourth Proportional to 9,205,811.57, 12,701,200.78 and 5,337,556.13

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Solution

The fourth proportional to 9,205,811.57, 12,701,200.78 and 5,337,556.13 is: 7,364,192.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205,811.57 : 12,701,200.78 = 5,337,556.13 : x
  2. Step 2: Convert to fraction form
    9,205,811.57/12,701,200.78 = 5,337,556.13/x
  3. Step 3: Cross multiply
    9,205,811.57x = 12,701,200.78 × 5,337,556.13
  4. Step 4: Simplify right side
    9,205,811.57x = 67,793,372,120,074.73
  5. Step 5: Solve for x
    x = 67,793,372,120,074.73/9,205,811.57
  6. Step 6: Final answer
    x = 7,364,192.89

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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.