Home / 9,515,545.68-13,131,101.79-5,164,538.56

Finding the Fourth Proportional to 9,515,545.68, 13,131,101.79 and 5,164,538.56

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Solution

The fourth proportional to 9,515,545.68, 13,131,101.79 and 5,164,538.56 is: 7,126,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,545.68 : 13,131,101.79 = 5,164,538.56 : x
  2. Step 2: Convert to fraction form
    9,515,545.68/13,131,101.79 = 5,164,538.56/x
  3. Step 3: Cross multiply
    9,515,545.68x = 13,131,101.79 × 5,164,538.56
  4. Step 4: Simplify right side
    9,515,545.68x = 67,816,081,529,740.02
  5. Step 5: Solve for x
    x = 67,816,081,529,740.02/9,515,545.68
  6. Step 6: Final answer
    x = 7,126,872.58

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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.