Home / 10,063,435.80-15,162,372.17-9,105,119.79

Finding the Fourth Proportional to 10,063,435.80, 15,162,372.17 and 9,105,119.79

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Solution

The fourth proportional to 10,063,435.80, 15,162,372.17 and 9,105,119.79 is: 13,718,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,063,435.80 : 15,162,372.17 = 9,105,119.79 : x
  2. Step 2: Convert to fraction form
    10,063,435.80/15,162,372.17 = 9,105,119.79/x
  3. Step 3: Cross multiply
    10,063,435.80x = 15,162,372.17 × 9,105,119.79
  4. Step 4: Simplify right side
    10,063,435.80x = 138,055,214,931,175.03
  5. Step 5: Solve for x
    x = 138,055,214,931,175.03/10,063,435.80
  6. Step 6: Final answer
    x = 13,718,497.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.