Home / 7,145,707.14-10,712,535.30-3,099,147.21

Finding the Fourth Proportional to 7,145,707.14, 10,712,535.30 and 3,099,147.21

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Solution

The fourth proportional to 7,145,707.14, 10,712,535.30 and 3,099,147.21 is: 4,646,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,707.14 : 10,712,535.30 = 3,099,147.21 : x
  2. Step 2: Convert to fraction form
    7,145,707.14/10,712,535.30 = 3,099,147.21/x
  3. Step 3: Cross multiply
    7,145,707.14x = 10,712,535.30 × 3,099,147.21
  4. Step 4: Simplify right side
    7,145,707.14x = 33,199,723,887,021.52
  5. Step 5: Solve for x
    x = 33,199,723,887,021.52/7,145,707.14
  6. Step 6: Final answer
    x = 4,646,107.55

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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.