Home / 8,984,013.71-12,383,414.12-7,020,479.14

Finding the Fourth Proportional to 8,984,013.71, 12,383,414.12 and 7,020,479.14

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Solution

The fourth proportional to 8,984,013.71, 12,383,414.12 and 7,020,479.14 is: 9,676,910.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984,013.71 : 12,383,414.12 = 7,020,479.14 : x
  2. Step 2: Convert to fraction form
    8,984,013.71/12,383,414.12 = 7,020,479.14/x
  3. Step 3: Cross multiply
    8,984,013.71x = 12,383,414.12 × 7,020,479.14
  4. Step 4: Simplify right side
    8,984,013.71x = 86,937,500,498,034.12
  5. Step 5: Solve for x
    x = 86,937,500,498,034.12/8,984,013.71
  6. Step 6: Final answer
    x = 9,676,910.94

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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.