Home / 18,354,369.60-27,530,679.60-6,222,643.20

Finding the Fourth Proportional to 18,354,369.60, 27,530,679.60 and 6,222,643.20

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Solution

The fourth proportional to 18,354,369.60, 27,530,679.60 and 6,222,643.20 is: 9,333,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354,369.60 : 27,530,679.60 = 6,222,643.20 : x
  2. Step 2: Convert to fraction form
    18,354,369.60/27,530,679.60 = 6,222,643.20/x
  3. Step 3: Cross multiply
    18,354,369.60x = 27,530,679.60 × 6,222,643.20
  4. Step 4: Simplify right side
    18,354,369.60x = 171,313,596,204,318.75
  5. Step 5: Solve for x
    x = 171,313,596,204,318.75/18,354,369.60
  6. Step 6: Final answer
    x = 9,333,668.22

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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.