Home / 8,855,897.43-12,221,160.62-5,135,449.58

Finding the Fourth Proportional to 8,855,897.43, 12,221,160.62 and 5,135,449.58

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Solution

The fourth proportional to 8,855,897.43, 12,221,160.62 and 5,135,449.58 is: 7,086,933.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855,897.43 : 12,221,160.62 = 5,135,449.58 : x
  2. Step 2: Convert to fraction form
    8,855,897.43/12,221,160.62 = 5,135,449.58/x
  3. Step 3: Cross multiply
    8,855,897.43x = 12,221,160.62 × 5,135,449.58
  4. Step 4: Simplify right side
    8,855,897.43x = 62,761,154,086,308.49
  5. Step 5: Solve for x
    x = 62,761,154,086,308.49/8,855,897.43
  6. Step 6: Final answer
    x = 7,086,933.26

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1.5x scale

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.