Home / 7,161,345.52-9,882,879.60-3,898,377.52

Finding the Fourth Proportional to 7,161,345.52, 9,882,879.60 and 3,898,377.52

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Solution

The fourth proportional to 7,161,345.52, 9,882,879.60 and 3,898,377.52 is: 5,379,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,345.52 : 9,882,879.60 = 3,898,377.52 : x
  2. Step 2: Convert to fraction form
    7,161,345.52/9,882,879.60 = 3,898,377.52/x
  3. Step 3: Cross multiply
    7,161,345.52x = 9,882,879.60 × 3,898,377.52
  4. Step 4: Simplify right side
    7,161,345.52x = 38,527,195,665,506.59
  5. Step 5: Solve for x
    x = 38,527,195,665,506.59/7,161,345.52
  6. Step 6: Final answer
    x = 5,379,882.25

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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.