Home / 13,378,710.60-20,068,065.90-3,281,331.60

Finding the Fourth Proportional to 13,378,710.60, 20,068,065.90 and 3,281,331.60

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Solution

The fourth proportional to 13,378,710.60, 20,068,065.90 and 3,281,331.60 is: 4,921,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378,710.60 : 20,068,065.90 = 3,281,331.60 : x
  2. Step 2: Convert to fraction form
    13,378,710.60/20,068,065.90 = 3,281,331.60/x
  3. Step 3: Cross multiply
    13,378,710.60x = 20,068,065.90 × 3,281,331.60
  4. Step 4: Simplify right side
    13,378,710.60x = 65,849,978,788,552.44
  5. Step 5: Solve for x
    x = 65,849,978,788,552.44/13,378,710.60
  6. Step 6: Final answer
    x = 4,921,997.40

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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.