Home / 10,921,154.67-16,387,991.21-4,443,034.41

Finding the Fourth Proportional to 10,921,154.67, 16,387,991.21 and 4,443,034.41

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Solution

The fourth proportional to 10,921,154.67, 16,387,991.21 and 4,443,034.41 is: 6,667,098.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,154.67 : 16,387,991.21 = 4,443,034.41 : x
  2. Step 2: Convert to fraction form
    10,921,154.67/16,387,991.21 = 4,443,034.41/x
  3. Step 3: Cross multiply
    10,921,154.67x = 16,387,991.21 × 4,443,034.41
  4. Step 4: Simplify right side
    10,921,154.67x = 72,812,408,867,915.12
  5. Step 5: Solve for x
    x = 72,812,408,867,915.12/10,921,154.67
  6. Step 6: Final answer
    x = 6,667,098.04

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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.