Home / 12,434,620.32-18,651,963.76-3,459,173.28

Finding the Fourth Proportional to 12,434,620.32, 18,651,963.76 and 3,459,173.28

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Solution

The fourth proportional to 12,434,620.32, 18,651,963.76 and 3,459,173.28 is: 5,188,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434,620.32 : 18,651,963.76 = 3,459,173.28 : x
  2. Step 2: Convert to fraction form
    12,434,620.32/18,651,963.76 = 3,459,173.28/x
  3. Step 3: Cross multiply
    12,434,620.32x = 18,651,963.76 × 3,459,173.28
  4. Step 4: Simplify right side
    12,434,620.32x = 64,520,374,658,120.34
  5. Step 5: Solve for x
    x = 64,520,374,658,120.34/12,434,620.32
  6. Step 6: Final answer
    x = 5,188,769.18

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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.