Home / 26,081,972.40-39,122,958.60-21,861,937.20

Finding the Fourth Proportional to 26,081,972.40, 39,122,958.60 and 21,861,937.20

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Solution

The fourth proportional to 26,081,972.40, 39,122,958.60 and 21,861,937.20 is: 32,792,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,081,972.40 : 39,122,958.60 = 21,861,937.20 : x
  2. Step 2: Convert to fraction form
    26,081,972.40/39,122,958.60 = 21,861,937.20/x
  3. Step 3: Cross multiply
    26,081,972.40x = 39,122,958.60 × 21,861,937.20
  4. Step 4: Simplify right side
    26,081,972.40x = 855,303,663,991,399.88
  5. Step 5: Solve for x
    x = 855,303,663,991,399.88/26,081,972.40
  6. Step 6: Final answer
    x = 32,792,905.80

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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.