Home / 8,317,732.03-12,478,016.67-3,708,390.78

Finding the Fourth Proportional to 8,317,732.03, 12,478,016.67 and 3,708,390.78

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Solution

The fourth proportional to 8,317,732.03, 12,478,016.67 and 3,708,390.78 is: 5,563,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,732.03 : 12,478,016.67 = 3,708,390.78 : x
  2. Step 2: Convert to fraction form
    8,317,732.03/12,478,016.67 = 3,708,390.78/x
  3. Step 3: Cross multiply
    8,317,732.03x = 12,478,016.67 × 3,708,390.78
  4. Step 4: Simplify right side
    8,317,732.03x = 46,273,361,971,714.30
  5. Step 5: Solve for x
    x = 46,273,361,971,714.30/8,317,732.03
  6. Step 6: Final answer
    x = 5,563,218.65

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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.