Home / 27,643,146.78-38,155,130.34-16,044,446.96

Finding the Fourth Proportional to 27,643,146.78, 38,155,130.34 and 16,044,446.96

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Solution

The fourth proportional to 27,643,146.78, 38,155,130.34 and 16,044,446.96 is: 22,145,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,643,146.78 : 38,155,130.34 = 16,044,446.96 : x
  2. Step 2: Convert to fraction form
    27,643,146.78/38,155,130.34 = 16,044,446.96/x
  3. Step 3: Cross multiply
    27,643,146.78x = 38,155,130.34 × 16,044,446.96
  4. Step 4: Simplify right side
    27,643,146.78x = 612,177,964,801,241.12
  5. Step 5: Solve for x
    x = 612,177,964,801,241.12/27,643,146.78
  6. Step 6: Final answer
    x = 22,145,740.85

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1.5x scale

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.