Home / 7,176,761.34-9,904,169.82-3,913,754.64

Finding the Fourth Proportional to 7,176,761.34, 9,904,169.82 and 3,913,754.64

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Solution

The fourth proportional to 7,176,761.34, 9,904,169.82 and 3,913,754.64 is: 5,401,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,761.34 : 9,904,169.82 = 3,913,754.64 : x
  2. Step 2: Convert to fraction form
    7,176,761.34/9,904,169.82 = 3,913,754.64/x
  3. Step 3: Cross multiply
    7,176,761.34x = 9,904,169.82 × 3,913,754.64
  4. Step 4: Simplify right side
    7,176,761.34x = 38,762,490,588,372.97
  5. Step 5: Solve for x
    x = 38,762,490,588,372.97/7,176,761.34
  6. Step 6: Final answer
    x = 5,401,111.83

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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.