Home / 12,234,415.60-18,351,623.40-8,203,337.20

Finding the Fourth Proportional to 12,234,415.60, 18,351,623.40 and 8,203,337.20

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Solution

The fourth proportional to 12,234,415.60, 18,351,623.40 and 8,203,337.20 is: 12,305,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234,415.60 : 18,351,623.40 = 8,203,337.20 : x
  2. Step 2: Convert to fraction form
    12,234,415.60/18,351,623.40 = 8,203,337.20/x
  3. Step 3: Cross multiply
    12,234,415.60x = 18,351,623.40 × 8,203,337.20
  4. Step 4: Simplify right side
    12,234,415.60x = 150,544,554,917,610.47
  5. Step 5: Solve for x
    x = 150,544,554,917,610.47/12,234,415.60
  6. Step 6: Final answer
    x = 12,305,005.80

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1.5x scale

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.