Home / 27,129,747.10-40,694,620.65-9,178,851.10

Finding the Fourth Proportional to 27,129,747.10, 40,694,620.65 and 9,178,851.10

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Solution

The fourth proportional to 27,129,747.10, 40,694,620.65 and 9,178,851.10 is: 13,768,276.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129,747.10 : 40,694,620.65 = 9,178,851.10 : x
  2. Step 2: Convert to fraction form
    27,129,747.10/40,694,620.65 = 9,178,851.10/x
  3. Step 3: Cross multiply
    27,129,747.10x = 40,694,620.65 × 9,178,851.10
  4. Step 4: Simplify right side
    27,129,747.10x = 373,529,863,517,335.19
  5. Step 5: Solve for x
    x = 373,529,863,517,335.19/27,129,747.10
  6. Step 6: Final answer
    x = 13,768,276.65

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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.