Home / 15,153,156.80-20,911,806.24-8,277,752.96

Finding the Fourth Proportional to 15,153,156.80, 20,911,806.24 and 8,277,752.96

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Solution

The fourth proportional to 15,153,156.80, 20,911,806.24 and 8,277,752.96 is: 11,423,544.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153,156.80 : 20,911,806.24 = 8,277,752.96 : x
  2. Step 2: Convert to fraction form
    15,153,156.80/20,911,806.24 = 8,277,752.96/x
  3. Step 3: Cross multiply
    15,153,156.80x = 20,911,806.24 × 8,277,752.96
  4. Step 4: Simplify right side
    15,153,156.80x = 173,102,766,002,106.47
  5. Step 5: Solve for x
    x = 173,102,766,002,106.47/15,153,156.80
  6. Step 6: Final answer
    x = 11,423,544.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.