Home / 12,980,812-19,467,077.04-4,459,093.60

Finding the Fourth Proportional to 12,980,812, 19,467,077.04 and 4,459,093.60

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Solution

The fourth proportional to 12,980,812, 19,467,077.04 and 4,459,093.60 is: 6,687,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,980,812 : 19,467,077.04 = 4,459,093.60 : x
  2. Step 2: Convert to fraction form
    12,980,812/19,467,077.04 = 4,459,093.60/x
  3. Step 3: Cross multiply
    12,980,812x = 19,467,077.04 × 4,459,093.60
  4. Step 4: Simplify right side
    12,980,812x = 86,805,518,639,770.94
  5. Step 5: Solve for x
    x = 86,805,518,639,770.94/12,980,812
  6. Step 6: Final answer
    x = 6,687,217.92

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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.