Home / 8,321,346.80-12,482,020.20-5,486,994.80

Finding the Fourth Proportional to 8,321,346.80, 12,482,020.20 and 5,486,994.80

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Solution

The fourth proportional to 8,321,346.80, 12,482,020.20 and 5,486,994.80 is: 8,230,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,346.80 : 12,482,020.20 = 5,486,994.80 : x
  2. Step 2: Convert to fraction form
    8,321,346.80/12,482,020.20 = 5,486,994.80/x
  3. Step 3: Cross multiply
    8,321,346.80x = 12,482,020.20 × 5,486,994.80
  4. Step 4: Simplify right side
    8,321,346.80x = 68,488,779,930,894.95
  5. Step 5: Solve for x
    x = 68,488,779,930,894.95/8,321,346.80
  6. Step 6: Final answer
    x = 8,230,492.20

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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.