Home / 8,412,282.88-11,608,982.10-5,316,182.15

Finding the Fourth Proportional to 8,412,282.88, 11,608,982.10 and 5,316,182.15

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Solution

The fourth proportional to 8,412,282.88, 11,608,982.10 and 5,316,182.15 is: 7,336,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412,282.88 : 11,608,982.10 = 5,316,182.15 : x
  2. Step 2: Convert to fraction form
    8,412,282.88/11,608,982.10 = 5,316,182.15/x
  3. Step 3: Cross multiply
    8,412,282.88x = 11,608,982.10 × 5,316,182.15
  4. Step 4: Simplify right side
    8,412,282.88x = 61,715,463,361,644.59
  5. Step 5: Solve for x
    x = 61,715,463,361,644.59/8,412,282.88
  6. Step 6: Final answer
    x = 7,336,351.41

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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.