Home / 18,207,216.40-27,321,322.20-6,855,811.60

Finding the Fourth Proportional to 18,207,216.40, 27,321,322.20 and 6,855,811.60

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Solution

The fourth proportional to 18,207,216.40, 27,321,322.20 and 6,855,811.60 is: 10,287,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207,216.40 : 27,321,322.20 = 6,855,811.60 : x
  2. Step 2: Convert to fraction form
    18,207,216.40/27,321,322.20 = 6,855,811.60/x
  3. Step 3: Cross multiply
    18,207,216.40x = 27,321,322.20 × 6,855,811.60
  4. Step 4: Simplify right side
    18,207,216.40x = 187,309,837,666,097.50
  5. Step 5: Solve for x
    x = 187,309,837,666,097.50/18,207,216.40
  6. Step 6: Final answer
    x = 10,287,670.20

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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.