Home / 7,162,657.12-10,747,718.16-3,172,636

Finding the Fourth Proportional to 7,162,657.12, 10,747,718.16 and 3,172,636

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Solution

The fourth proportional to 7,162,657.12, 10,747,718.16 and 3,172,636 is: 4,760,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162,657.12 : 10,747,718.16 = 3,172,636 : x
  2. Step 2: Convert to fraction form
    7,162,657.12/10,747,718.16 = 3,172,636/x
  3. Step 3: Cross multiply
    7,162,657.12x = 10,747,718.16 × 3,172,636
  4. Step 4: Simplify right side
    7,162,657.12x = 34,098,597,552,269.76
  5. Step 5: Solve for x
    x = 34,098,597,552,269.76/7,162,657.12
  6. Step 6: Final answer
    x = 4,760,607.27

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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.