Home / 18,222,708.90-27,302,570.55-8,617,404.90

Finding the Fourth Proportional to 18,222,708.90, 27,302,570.55 and 8,617,404.90

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Solution

The fourth proportional to 18,222,708.90, 27,302,570.55 and 8,617,404.90 is: 12,911,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222,708.90 : 27,302,570.55 = 8,617,404.90 : x
  2. Step 2: Convert to fraction form
    18,222,708.90/27,302,570.55 = 8,617,404.90/x
  3. Step 3: Cross multiply
    18,222,708.90x = 27,302,570.55 × 8,617,404.90
  4. Step 4: Simplify right side
    18,222,708.90x = 235,277,305,240,165.72
  5. Step 5: Solve for x
    x = 235,277,305,240,165.72/18,222,708.90
  6. Step 6: Final answer
    x = 12,911,214.60

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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.