Home / 10,278,780.72-15,440,419.08-6,682,698.24

Finding the Fourth Proportional to 10,278,780.72, 15,440,419.08 and 6,682,698.24

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Solution

The fourth proportional to 10,278,780.72, 15,440,419.08 and 6,682,698.24 is: 10,038,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278,780.72 : 15,440,419.08 = 6,682,698.24 : x
  2. Step 2: Convert to fraction form
    10,278,780.72/15,440,419.08 = 6,682,698.24/x
  3. Step 3: Cross multiply
    10,278,780.72x = 15,440,419.08 × 6,682,698.24
  4. Step 4: Simplify right side
    10,278,780.72x = 103,183,661,410,778.42
  5. Step 5: Solve for x
    x = 103,183,661,410,778.42/10,278,780.72
  6. Step 6: Final answer
    x = 10,038,511.79

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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.