Home / 7,129,679.52-10,695,149.68-2,012,155.04

Finding the Fourth Proportional to 7,129,679.52, 10,695,149.68 and 2,012,155.04

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Solution

The fourth proportional to 7,129,679.52, 10,695,149.68 and 2,012,155.04 is: 3,018,410.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,679.52 : 10,695,149.68 = 2,012,155.04 : x
  2. Step 2: Convert to fraction form
    7,129,679.52/10,695,149.68 = 2,012,155.04/x
  3. Step 3: Cross multiply
    7,129,679.52x = 10,695,149.68 × 2,012,155.04
  4. Step 4: Simplify right side
    7,129,679.52x = 21,520,299,332,166.39
  5. Step 5: Solve for x
    x = 21,520,299,332,166.39/7,129,679.52
  6. Step 6: Final answer
    x = 3,018,410.47

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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.