Home / 12,497,624.20-18,746,436.30-3,978,821.80

Finding the Fourth Proportional to 12,497,624.20, 18,746,436.30 and 3,978,821.80

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Solution

The fourth proportional to 12,497,624.20, 18,746,436.30 and 3,978,821.80 is: 5,968,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497,624.20 : 18,746,436.30 = 3,978,821.80 : x
  2. Step 2: Convert to fraction form
    12,497,624.20/18,746,436.30 = 3,978,821.80/x
  3. Step 3: Cross multiply
    12,497,624.20x = 18,746,436.30 × 3,978,821.80
  4. Step 4: Simplify right side
    12,497,624.20x = 74,588,729,422,751.34
  5. Step 5: Solve for x
    x = 74,588,729,422,751.34/12,497,624.20
  6. Step 6: Final answer
    x = 5,968,232.70

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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.