Home / 9,247,680.42-12,761,780.49-5,173,299.42

Finding the Fourth Proportional to 9,247,680.42, 12,761,780.49 and 5,173,299.42

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Solution

The fourth proportional to 9,247,680.42, 12,761,780.49 and 5,173,299.42 is: 7,139,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247,680.42 : 12,761,780.49 = 5,173,299.42 : x
  2. Step 2: Convert to fraction form
    9,247,680.42/12,761,780.49 = 5,173,299.42/x
  3. Step 3: Cross multiply
    9,247,680.42x = 12,761,780.49 × 5,173,299.42
  4. Step 4: Simplify right side
    9,247,680.42x = 66,020,511,607,084.31
  5. Step 5: Solve for x
    x = 66,020,511,607,084.31/9,247,680.42
  6. Step 6: Final answer
    x = 7,139,142.86

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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.