Home / 12,558,212.10-18,809,324.55-9,702,864.90

Finding the Fourth Proportional to 12,558,212.10, 18,809,324.55 and 9,702,864.90

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Solution

The fourth proportional to 12,558,212.10, 18,809,324.55 and 9,702,864.90 is: 14,532,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558,212.10 : 18,809,324.55 = 9,702,864.90 : x
  2. Step 2: Convert to fraction form
    12,558,212.10/18,809,324.55 = 9,702,864.90/x
  3. Step 3: Cross multiply
    12,558,212.10x = 18,809,324.55 × 9,702,864.90
  4. Step 4: Simplify right side
    12,558,212.10x = 182,504,334,968,903.31
  5. Step 5: Solve for x
    x = 182,504,334,968,903.31/12,558,212.10
  6. Step 6: Final answer
    x = 14,532,668.62

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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.