Home / 18,346,511.20-27,519,766.80-9,843,455.20

Finding the Fourth Proportional to 18,346,511.20, 27,519,766.80 and 9,843,455.20

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Solution

The fourth proportional to 18,346,511.20, 27,519,766.80 and 9,843,455.20 is: 14,765,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346,511.20 : 27,519,766.80 = 9,843,455.20 : x
  2. Step 2: Convert to fraction form
    18,346,511.20/27,519,766.80 = 9,843,455.20/x
  3. Step 3: Cross multiply
    18,346,511.20x = 27,519,766.80 × 9,843,455.20
  4. Step 4: Simplify right side
    18,346,511.20x = 270,889,591,610,247.34
  5. Step 5: Solve for x
    x = 270,889,591,610,247.34/18,346,511.20
  6. Step 6: Final answer
    x = 14,765,182.80

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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.