Home / 27,012,452.72-40,495,972.55-21,882,160.78

Finding the Fourth Proportional to 27,012,452.72, 40,495,972.55 and 21,882,160.78

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Solution

The fourth proportional to 27,012,452.72, 40,495,972.55 and 21,882,160.78 is: 32,804,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,012,452.72 : 40,495,972.55 = 21,882,160.78 : x
  2. Step 2: Convert to fraction form
    27,012,452.72/40,495,972.55 = 21,882,160.78/x
  3. Step 3: Cross multiply
    27,012,452.72x = 40,495,972.55 × 21,882,160.78
  4. Step 4: Simplify right side
    27,012,452.72x = 886,139,382,070,915.88
  5. Step 5: Solve for x
    x = 886,139,382,070,915.88/27,012,452.72
  6. Step 6: Final answer
    x = 32,804,847.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.