Home / 12,344,517.20-18,516,775.80-3,369,976.40

Finding the Fourth Proportional to 12,344,517.20, 18,516,775.80 and 3,369,976.40

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Solution

The fourth proportional to 12,344,517.20, 18,516,775.80 and 3,369,976.40 is: 5,054,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344,517.20 : 18,516,775.80 = 3,369,976.40 : x
  2. Step 2: Convert to fraction form
    12,344,517.20/18,516,775.80 = 3,369,976.40/x
  3. Step 3: Cross multiply
    12,344,517.20x = 18,516,775.80 × 3,369,976.40
  4. Step 4: Simplify right side
    12,344,517.20x = 62,401,097,450,091.12
  5. Step 5: Solve for x
    x = 62,401,097,450,091.12/12,344,517.20
  6. Step 6: Final answer
    x = 5,054,964.60

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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.