Home / 10,365,545.11-15,548,317.67-5,313,633.43

Finding the Fourth Proportional to 10,365,545.11, 15,548,317.67 and 5,313,633.43

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Solution

The fourth proportional to 10,365,545.11, 15,548,317.67 and 5,313,633.43 is: 7,970,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,545.11 : 15,548,317.67 = 5,313,633.43 : x
  2. Step 2: Convert to fraction form
    10,365,545.11/15,548,317.67 = 5,313,633.43/x
  3. Step 3: Cross multiply
    10,365,545.11x = 15,548,317.67 × 5,313,633.43
  4. Step 4: Simplify right side
    10,365,545.11x = 82,618,060,551,571.70
  5. Step 5: Solve for x
    x = 82,618,060,551,571.70/10,365,545.11
  6. Step 6: Final answer
    x = 7,970,450.15

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1.5x scale

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.