Home / 7,124,400.72-10,690,105.72-3,337,228.88

Finding the Fourth Proportional to 7,124,400.72, 10,690,105.72 and 3,337,228.88

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Solution

The fourth proportional to 7,124,400.72, 10,690,105.72 and 3,337,228.88 is: 5,007,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124,400.72 : 10,690,105.72 = 3,337,228.88 : x
  2. Step 2: Convert to fraction form
    7,124,400.72/10,690,105.72 = 3,337,228.88/x
  3. Step 3: Cross multiply
    7,124,400.72x = 10,690,105.72 × 3,337,228.88
  4. Step 4: Simplify right side
    7,124,400.72x = 35,675,329,539,037.20
  5. Step 5: Solve for x
    x = 35,675,329,539,037.20/7,124,400.72
  6. Step 6: Final answer
    x = 5,007,484.97

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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.