Home / 13,378,716.60-20,068,074.90-3,281,337.60

Finding the Fourth Proportional to 13,378,716.60, 20,068,074.90 and 3,281,337.60

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Solution

The fourth proportional to 13,378,716.60, 20,068,074.90 and 3,281,337.60 is: 4,922,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378,716.60 : 20,068,074.90 = 3,281,337.60 : x
  2. Step 2: Convert to fraction form
    13,378,716.60/20,068,074.90 = 3,281,337.60/x
  3. Step 3: Cross multiply
    13,378,716.60x = 20,068,074.90 × 3,281,337.60
  4. Step 4: Simplify right side
    13,378,716.60x = 65,850,128,728,986.23
  5. Step 5: Solve for x
    x = 65,850,128,728,986.23/13,378,716.60
  6. Step 6: Final answer
    x = 4,922,006.40

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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.