Home / 7,176,759.81-9,904,167.72-3,913,753.11

Finding the Fourth Proportional to 7,176,759.81, 9,904,167.72 and 3,913,753.11

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Solution

The fourth proportional to 7,176,759.81, 9,904,167.72 and 3,913,753.11 is: 5,401,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,759.81 : 9,904,167.72 = 3,913,753.11 : x
  2. Step 2: Convert to fraction form
    7,176,759.81/9,904,167.72 = 3,913,753.11/x
  3. Step 3: Cross multiply
    7,176,759.81x = 9,904,167.72 × 3,913,753.11
  4. Step 4: Simplify right side
    7,176,759.81x = 38,762,467,216,111.61
  5. Step 5: Solve for x
    x = 38,762,467,216,111.61/7,176,759.81
  6. Step 6: Final answer
    x = 5,401,109.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.