Home / 8,626,673.80-12,940,010.70-7,344,326.35

Finding the Fourth Proportional to 8,626,673.80, 12,940,010.70 and 7,344,326.35

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Solution

The fourth proportional to 8,626,673.80, 12,940,010.70 and 7,344,326.35 is: 11,016,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626,673.80 : 12,940,010.70 = 7,344,326.35 : x
  2. Step 2: Convert to fraction form
    8,626,673.80/12,940,010.70 = 7,344,326.35/x
  3. Step 3: Cross multiply
    8,626,673.80x = 12,940,010.70 × 7,344,326.35
  4. Step 4: Simplify right side
    8,626,673.80x = 95,035,661,553,291.94
  5. Step 5: Solve for x
    x = 95,035,661,553,291.94/8,626,673.80
  6. Step 6: Final answer
    x = 11,016,489.53

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Similar ratio
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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.