Home / 12,100,909.20-18,151,363.80-5,370,003.60

Finding the Fourth Proportional to 12,100,909.20, 18,151,363.80 and 5,370,003.60

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Solution

The fourth proportional to 12,100,909.20, 18,151,363.80 and 5,370,003.60 is: 8,055,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100,909.20 : 18,151,363.80 = 5,370,003.60 : x
  2. Step 2: Convert to fraction form
    12,100,909.20/18,151,363.80 = 5,370,003.60/x
  3. Step 3: Cross multiply
    12,100,909.20x = 18,151,363.80 × 5,370,003.60
  4. Step 4: Simplify right side
    12,100,909.20x = 97,472,888,950,909.67
  5. Step 5: Solve for x
    x = 97,472,888,950,909.67/12,100,909.20
  6. Step 6: Final answer
    x = 8,055,005.40

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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.