Home / 8,240,151.40-12,351,479.10-3,977,542.60

Finding the Fourth Proportional to 8,240,151.40, 12,351,479.10 and 3,977,542.60

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Solution

The fourth proportional to 8,240,151.40, 12,351,479.10 and 3,977,542.60 is: 5,962,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240,151.40 : 12,351,479.10 = 3,977,542.60 : x
  2. Step 2: Convert to fraction form
    8,240,151.40/12,351,479.10 = 3,977,542.60/x
  3. Step 3: Cross multiply
    8,240,151.40x = 12,351,479.10 × 3,977,542.60
  4. Step 4: Simplify right side
    8,240,151.40x = 49,128,534,293,259.66
  5. Step 5: Solve for x
    x = 49,128,534,293,259.66/8,240,151.40
  6. Step 6: Final answer
    x = 5,962,091.22

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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.