Home / 13,146,642.12-19,720,981.10-4,392,950.97

Finding the Fourth Proportional to 13,146,642.12, 19,720,981.10 and 4,392,950.97

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Solution

The fourth proportional to 13,146,642.12, 19,720,981.10 and 4,392,950.97 is: 6,589,766.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,642.12 : 19,720,981.10 = 4,392,950.97 : x
  2. Step 2: Convert to fraction form
    13,146,642.12/19,720,981.10 = 4,392,950.97/x
  3. Step 3: Cross multiply
    13,146,642.12x = 19,720,981.10 × 4,392,950.97
  4. Step 4: Simplify right side
    13,146,642.12x = 86,633,303,052,596.67
  5. Step 5: Solve for x
    x = 86,633,303,052,596.67/13,146,642.12
  6. Step 6: Final answer
    x = 6,589,766.59

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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.