Home / 10,144,097.19-13,990,691.48-8,917,780.68

Finding the Fourth Proportional to 10,144,097.19, 13,990,691.48 and 8,917,780.68

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Solution

The fourth proportional to 10,144,097.19, 13,990,691.48 and 8,917,780.68 is: 12,299,361.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144,097.19 : 13,990,691.48 = 8,917,780.68 : x
  2. Step 2: Convert to fraction form
    10,144,097.19/13,990,691.48 = 8,917,780.68/x
  3. Step 3: Cross multiply
    10,144,097.19x = 13,990,691.48 × 8,917,780.68
  4. Step 4: Simplify right side
    10,144,097.19x = 124,765,918,135,595.70
  5. Step 5: Solve for x
    x = 124,765,918,135,595.70/10,144,097.19
  6. Step 6: Final answer
    x = 12,299,361.47

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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.