Home / 12,335,515.05-18,504,511.88-4,247,420.43

Finding the Fourth Proportional to 12,335,515.05, 18,504,511.88 and 4,247,420.43

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Solution

The fourth proportional to 12,335,515.05, 18,504,511.88 and 4,247,420.43 is: 6,371,557.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335,515.05 : 18,504,511.88 = 4,247,420.43 : x
  2. Step 2: Convert to fraction form
    12,335,515.05/18,504,511.88 = 4,247,420.43/x
  3. Step 3: Cross multiply
    12,335,515.05x = 18,504,511.88 × 4,247,420.43
  4. Step 4: Simplify right side
    12,335,515.05x = 78,596,441,806,289.70
  5. Step 5: Solve for x
    x = 78,596,441,806,289.70/12,335,515.05
  6. Step 6: Final answer
    x = 6,371,557.37

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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.