Home / 7,115,271.66-10,669,068.70-3,695,120.78

Finding the Fourth Proportional to 7,115,271.66, 10,669,068.70 and 3,695,120.78

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Solution

The fourth proportional to 7,115,271.66, 10,669,068.70 and 3,695,120.78 is: 5,540,687.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,271.66 : 10,669,068.70 = 3,695,120.78 : x
  2. Step 2: Convert to fraction form
    7,115,271.66/10,669,068.70 = 3,695,120.78/x
  3. Step 3: Cross multiply
    7,115,271.66x = 10,669,068.70 × 3,695,120.78
  4. Step 4: Simplify right side
    7,115,271.66x = 39,423,497,394,034.44
  5. Step 5: Solve for x
    x = 39,423,497,394,034.44/7,115,271.66
  6. Step 6: Final answer
    x = 5,540,687.59

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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.