Home / 12,993,780.26-19,490,617.26-3,278,416.02

Finding the Fourth Proportional to 12,993,780.26, 19,490,617.26 and 3,278,416.02

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Solution

The fourth proportional to 12,993,780.26, 19,490,617.26 and 3,278,416.02 is: 4,917,610.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993,780.26 : 19,490,617.26 = 3,278,416.02 : x
  2. Step 2: Convert to fraction form
    12,993,780.26/19,490,617.26 = 3,278,416.02/x
  3. Step 3: Cross multiply
    12,993,780.26x = 19,490,617.26 × 3,278,416.02
  4. Step 4: Simplify right side
    12,993,780.26x = 63,898,351,864,872.51
  5. Step 5: Solve for x
    x = 63,898,351,864,872.51/12,993,780.26
  6. Step 6: Final answer
    x = 4,917,610.63

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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.