Home / 15,143,103-20,897,373.96-8,267,584.84

Finding the Fourth Proportional to 15,143,103, 20,897,373.96 and 8,267,584.84

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Solution

The fourth proportional to 15,143,103, 20,897,373.96 and 8,267,584.84 is: 11,409,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143,103 : 20,897,373.96 = 8,267,584.84 : x
  2. Step 2: Convert to fraction form
    15,143,103/20,897,373.96 = 8,267,584.84/x
  3. Step 3: Cross multiply
    15,143,103x = 20,897,373.96 × 8,267,584.84
  4. Step 4: Simplify right side
    15,143,103x = 172,770,812,147,506.78
  5. Step 5: Solve for x
    x = 172,770,812,147,506.78/15,143,103
  6. Step 6: Final answer
    x = 11,409,208.02

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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.