Home / 13,146,823.20-19,720,234.80-12,262,087.20

Finding the Fourth Proportional to 13,146,823.20, 19,720,234.80 and 12,262,087.20

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Solution

The fourth proportional to 13,146,823.20, 19,720,234.80 and 12,262,087.20 is: 18,393,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,823.20 : 19,720,234.80 = 12,262,087.20 : x
  2. Step 2: Convert to fraction form
    13,146,823.20/19,720,234.80 = 12,262,087.20/x
  3. Step 3: Cross multiply
    13,146,823.20x = 19,720,234.80 × 12,262,087.20
  4. Step 4: Simplify right side
    13,146,823.20x = 241,811,238,722,074.56
  5. Step 5: Solve for x
    x = 241,811,238,722,074.56/13,146,823.20
  6. Step 6: Final answer
    x = 18,393,130.80

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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.