Home / 12,295,329.30-18,442,993.95-11,941,035.30

Finding the Fourth Proportional to 12,295,329.30, 18,442,993.95 and 11,941,035.30

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Solution

The fourth proportional to 12,295,329.30, 18,442,993.95 and 11,941,035.30 is: 17,911,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295,329.30 : 18,442,993.95 = 11,941,035.30 : x
  2. Step 2: Convert to fraction form
    12,295,329.30/18,442,993.95 = 11,941,035.30/x
  3. Step 3: Cross multiply
    12,295,329.30x = 18,442,993.95 × 11,941,035.30
  4. Step 4: Simplify right side
    12,295,329.30x = 220,228,441,794,636.44
  5. Step 5: Solve for x
    x = 220,228,441,794,636.44/12,295,329.30
  6. Step 6: Final answer
    x = 17,911,552.95

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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.