Home / 12,067,784.70-18,102,551.85-7,265,132.70

Finding the Fourth Proportional to 12,067,784.70, 18,102,551.85 and 7,265,132.70

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Solution

The fourth proportional to 12,067,784.70, 18,102,551.85 and 7,265,132.70 is: 10,898,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,784.70 : 18,102,551.85 = 7,265,132.70 : x
  2. Step 2: Convert to fraction form
    12,067,784.70/18,102,551.85 = 7,265,132.70/x
  3. Step 3: Cross multiply
    12,067,784.70x = 18,102,551.85 × 7,265,132.70
  4. Step 4: Simplify right side
    12,067,784.70x = 131,517,441,398,880.52
  5. Step 5: Solve for x
    x = 131,517,441,398,880.52/12,067,784.70
  6. Step 6: Final answer
    x = 10,898,225.70

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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.