Home / 27,676,801.20-41,538,821.40-12,347,680.80

Finding the Fourth Proportional to 27,676,801.20, 41,538,821.40 and 12,347,680.80

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Solution

The fourth proportional to 27,676,801.20, 41,538,821.40 and 12,347,680.80 is: 18,532,058.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,676,801.20 : 41,538,821.40 = 12,347,680.80 : x
  2. Step 2: Convert to fraction form
    27,676,801.20/41,538,821.40 = 12,347,680.80/x
  3. Step 3: Cross multiply
    27,676,801.20x = 41,538,821.40 × 12,347,680.80
  4. Step 4: Simplify right side
    27,676,801.20x = 512,908,107,455,409.12
  5. Step 5: Solve for x
    x = 512,908,107,455,409.12/27,676,801.20
  6. Step 6: Final answer
    x = 18,532,058.81

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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.