Home / 11,451,549.84-15,803,335.20-6,295,128.72

Finding the Fourth Proportional to 11,451,549.84, 15,803,335.20 and 6,295,128.72

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Solution

The fourth proportional to 11,451,549.84, 15,803,335.20 and 6,295,128.72 is: 8,687,385.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451,549.84 : 15,803,335.20 = 6,295,128.72 : x
  2. Step 2: Convert to fraction form
    11,451,549.84/15,803,335.20 = 6,295,128.72/x
  3. Step 3: Cross multiply
    11,451,549.84x = 15,803,335.20 × 6,295,128.72
  4. Step 4: Simplify right side
    11,451,549.84x = 99,484,029,289,306.94
  5. Step 5: Solve for x
    x = 99,484,029,289,306.94/11,451,549.84
  6. Step 6: Final answer
    x = 8,687,385.61

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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.