Home / 8,320,982.60-12,482,856.30-3,272,457.80

Finding the Fourth Proportional to 8,320,982.60, 12,482,856.30 and 3,272,457.80

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Solution

The fourth proportional to 8,320,982.60, 12,482,856.30 and 3,272,457.80 is: 4,909,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,982.60 : 12,482,856.30 = 3,272,457.80 : x
  2. Step 2: Convert to fraction form
    8,320,982.60/12,482,856.30 = 3,272,457.80/x
  3. Step 3: Cross multiply
    8,320,982.60x = 12,482,856.30 × 3,272,457.80
  4. Step 4: Simplify right side
    8,320,982.60x = 40,849,620,465,214.14
  5. Step 5: Solve for x
    x = 40,849,620,465,214.14/8,320,982.60
  6. Step 6: Final answer
    x = 4,909,230.37

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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.