Home / 12,122,980.20-18,187,094.70-3,604,177.80

Finding the Fourth Proportional to 12,122,980.20, 18,187,094.70 and 3,604,177.80

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Solution

The fourth proportional to 12,122,980.20, 18,187,094.70 and 3,604,177.80 is: 5,407,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,980.20 : 18,187,094.70 = 3,604,177.80 : x
  2. Step 2: Convert to fraction form
    12,122,980.20/18,187,094.70 = 3,604,177.80/x
  3. Step 3: Cross multiply
    12,122,980.20x = 18,187,094.70 × 3,604,177.80
  4. Step 4: Simplify right side
    12,122,980.20x = 65,549,522,964,237.66
  5. Step 5: Solve for x
    x = 65,549,522,964,237.66/12,122,980.20
  6. Step 6: Final answer
    x = 5,407,046.94

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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.