Home / 7,352,605.40-11,028,908.10-5,321,319.80

Finding the Fourth Proportional to 7,352,605.40, 11,028,908.10 and 5,321,319.80

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Solution

The fourth proportional to 7,352,605.40, 11,028,908.10 and 5,321,319.80 is: 7,981,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352,605.40 : 11,028,908.10 = 5,321,319.80 : x
  2. Step 2: Convert to fraction form
    7,352,605.40/11,028,908.10 = 5,321,319.80/x
  3. Step 3: Cross multiply
    7,352,605.40x = 11,028,908.10 × 5,321,319.80
  4. Step 4: Simplify right side
    7,352,605.40x = 58,688,347,044,910.38
  5. Step 5: Solve for x
    x = 58,688,347,044,910.38/7,352,605.40
  6. Step 6: Final answer
    x = 7,981,979.70

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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.