Home / 13,040,207.20-19,560,310.80-7,371,503.20

Finding the Fourth Proportional to 13,040,207.20, 19,560,310.80 and 7,371,503.20

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Solution

The fourth proportional to 13,040,207.20, 19,560,310.80 and 7,371,503.20 is: 11,057,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,207.20 : 19,560,310.80 = 7,371,503.20 : x
  2. Step 2: Convert to fraction form
    13,040,207.20/19,560,310.80 = 7,371,503.20/x
  3. Step 3: Cross multiply
    13,040,207.20x = 19,560,310.80 × 7,371,503.20
  4. Step 4: Simplify right side
    13,040,207.20x = 144,188,893,655,194.56
  5. Step 5: Solve for x
    x = 144,188,893,655,194.56/13,040,207.20
  6. Step 6: Final answer
    x = 11,057,254.80

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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.