Home / 8,672,689.76-13,020,951.52-4,415,718.56

Finding the Fourth Proportional to 8,672,689.76, 13,020,951.52 and 4,415,718.56

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Solution

The fourth proportional to 8,672,689.76, 13,020,951.52 and 4,415,718.56 is: 6,629,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672,689.76 : 13,020,951.52 = 4,415,718.56 : x
  2. Step 2: Convert to fraction form
    8,672,689.76/13,020,951.52 = 4,415,718.56/x
  3. Step 3: Cross multiply
    8,672,689.76x = 13,020,951.52 × 4,415,718.56
  4. Step 4: Simplify right side
    8,672,689.76x = 57,496,857,295,724.20
  5. Step 5: Solve for x
    x = 57,496,857,295,724.20/8,672,689.76
  6. Step 6: Final answer
    x = 6,629,645.34

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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.