Home / 10,328,949.21-15,494,291.19-3,140,545.53

Finding the Fourth Proportional to 10,328,949.21, 15,494,291.19 and 3,140,545.53

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Solution

The fourth proportional to 10,328,949.21, 15,494,291.19 and 3,140,545.53 is: 4,711,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328,949.21 : 15,494,291.19 = 3,140,545.53 : x
  2. Step 2: Convert to fraction form
    10,328,949.21/15,494,291.19 = 3,140,545.53/x
  3. Step 3: Cross multiply
    10,328,949.21x = 15,494,291.19 × 3,140,545.53
  4. Step 4: Simplify right side
    10,328,949.21x = 48,660,526,937,272.88
  5. Step 5: Solve for x
    x = 48,660,526,937,272.88/10,328,949.21
  6. Step 6: Final answer
    x = 4,711,082.02

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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.