Home / 12,645,756.74-18,968,684.92-3,061,119.88

Finding the Fourth Proportional to 12,645,756.74, 18,968,684.92 and 3,061,119.88

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Solution

The fourth proportional to 12,645,756.74, 18,968,684.92 and 3,061,119.88 is: 4,591,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645,756.74 : 18,968,684.92 = 3,061,119.88 : x
  2. Step 2: Convert to fraction form
    12,645,756.74/18,968,684.92 = 3,061,119.88/x
  3. Step 3: Cross multiply
    12,645,756.74x = 18,968,684.92 × 3,061,119.88
  4. Step 4: Simplify right side
    12,645,756.74x = 58,065,418,506,068.21
  5. Step 5: Solve for x
    x = 58,065,418,506,068.21/12,645,756.74
  6. Step 6: Final answer
    x = 4,591,691.88

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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.