Home / 8,946,391.68-13,423,538.16-6,942,049.92

Finding the Fourth Proportional to 8,946,391.68, 13,423,538.16 and 6,942,049.92

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Solution

The fourth proportional to 8,946,391.68, 13,423,538.16 and 6,942,049.92 is: 10,416,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946,391.68 : 13,423,538.16 = 6,942,049.92 : x
  2. Step 2: Convert to fraction form
    8,946,391.68/13,423,538.16 = 6,942,049.92/x
  3. Step 3: Cross multiply
    8,946,391.68x = 13,423,538.16 × 6,942,049.92
  4. Step 4: Simplify right side
    8,946,391.68x = 93,186,872,009,744.95
  5. Step 5: Solve for x
    x = 93,186,872,009,744.95/8,946,391.68
  6. Step 6: Final answer
    x = 10,416,140.42

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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.