Home / 7,102,103.12-9,800,974-3,838,981.04

Finding the Fourth Proportional to 7,102,103.12, 9,800,974 and 3,838,981.04

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Solution

The fourth proportional to 7,102,103.12, 9,800,974 and 3,838,981.04 is: 5,297,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,103.12 : 9,800,974 = 3,838,981.04 : x
  2. Step 2: Convert to fraction form
    7,102,103.12/9,800,974 = 3,838,981.04/x
  3. Step 3: Cross multiply
    7,102,103.12x = 9,800,974 × 3,838,981.04
  4. Step 4: Simplify right side
    7,102,103.12x = 37,625,753,359,532.96
  5. Step 5: Solve for x
    x = 37,625,753,359,532.96/7,102,103.12
  6. Step 6: Final answer
    x = 5,297,832.59

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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.