Home / 8,512,511.32-11,747,295.30-4,645,117.72

Finding the Fourth Proportional to 8,512,511.32, 11,747,295.30 and 4,645,117.72

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Solution

The fourth proportional to 8,512,511.32, 11,747,295.30 and 4,645,117.72 is: 6,410,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512,511.32 : 11,747,295.30 = 4,645,117.72 : x
  2. Step 2: Convert to fraction form
    8,512,511.32/11,747,295.30 = 4,645,117.72/x
  3. Step 3: Cross multiply
    8,512,511.32x = 11,747,295.30 × 4,645,117.72
  4. Step 4: Simplify right side
    8,512,511.32x = 54,567,569,560,102.72
  5. Step 5: Solve for x
    x = 54,567,569,560,102.72/8,512,511.32
  6. Step 6: Final answer
    x = 6,410,278.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.