Home / 5,429,076.30-8,143,614.45-4,153,617.90

Finding the Fourth Proportional to 5,429,076.30, 8,143,614.45 and 4,153,617.90

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Solution

The fourth proportional to 5,429,076.30, 8,143,614.45 and 4,153,617.90 is: 6,230,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,076.30 : 8,143,614.45 = 4,153,617.90 : x
  2. Step 2: Convert to fraction form
    5,429,076.30/8,143,614.45 = 4,153,617.90/x
  3. Step 3: Cross multiply
    5,429,076.30x = 8,143,614.45 × 4,153,617.90
  4. Step 4: Simplify right side
    5,429,076.30x = 33,825,462,750,218.66
  5. Step 5: Solve for x
    x = 33,825,462,750,218.66/5,429,076.30
  6. Step 6: Final answer
    x = 6,230,426.85

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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.