Home / 12,956,179.26-19,434,213.51-5,278,111.62

Finding the Fourth Proportional to 12,956,179.26, 19,434,213.51 and 5,278,111.62

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Solution

The fourth proportional to 12,956,179.26, 19,434,213.51 and 5,278,111.62 is: 7,917,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956,179.26 : 19,434,213.51 = 5,278,111.62 : x
  2. Step 2: Convert to fraction form
    12,956,179.26/19,434,213.51 = 5,278,111.62/x
  3. Step 3: Cross multiply
    12,956,179.26x = 19,434,213.51 × 5,278,111.62
  4. Step 4: Simplify right side
    12,956,179.26x = 102,575,948,152,692
  5. Step 5: Solve for x
    x = 102,575,948,152,692/12,956,179.26
  6. Step 6: Final answer
    x = 7,917,144.87

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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.