Home / 27,702,205.29-38,228,375.97-15,142,701.69

Finding the Fourth Proportional to 27,702,205.29, 38,228,375.97 and 15,142,701.69

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Solution

The fourth proportional to 27,702,205.29, 38,228,375.97 and 15,142,701.69 is: 20,896,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,702,205.29 : 38,228,375.97 = 15,142,701.69 : x
  2. Step 2: Convert to fraction form
    27,702,205.29/38,228,375.97 = 15,142,701.69/x
  3. Step 3: Cross multiply
    27,702,205.29x = 38,228,375.97 × 15,142,701.69
  4. Step 4: Simplify right side
    27,702,205.29x = 578,880,893,406,874.38
  5. Step 5: Solve for x
    x = 578,880,893,406,874.38/27,702,205.29
  6. Step 6: Final answer
    x = 20,896,563.55

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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.