Home / 12,196,511.69-18,270,375.41-7,336,134.29

Finding the Fourth Proportional to 12,196,511.69, 18,270,375.41 and 7,336,134.29

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Solution

The fourth proportional to 12,196,511.69, 18,270,375.41 and 7,336,134.29 is: 10,989,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196,511.69 : 18,270,375.41 = 7,336,134.29 : x
  2. Step 2: Convert to fraction form
    12,196,511.69/18,270,375.41 = 7,336,134.29/x
  3. Step 3: Cross multiply
    12,196,511.69x = 18,270,375.41 × 7,336,134.29
  4. Step 4: Simplify right side
    12,196,511.69x = 134,033,927,600,490.11
  5. Step 5: Solve for x
    x = 134,033,927,600,490.11/12,196,511.69
  6. Step 6: Final answer
    x = 10,989,529.72

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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.