Home / 26,243,981.40-39,365,972.10-20,504,418.60

Finding the Fourth Proportional to 26,243,981.40, 39,365,972.10 and 20,504,418.60

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Solution

The fourth proportional to 26,243,981.40, 39,365,972.10 and 20,504,418.60 is: 30,756,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,243,981.40 : 39,365,972.10 = 20,504,418.60 : x
  2. Step 2: Convert to fraction form
    26,243,981.40/39,365,972.10 = 20,504,418.60/x
  3. Step 3: Cross multiply
    26,243,981.40x = 39,365,972.10 × 20,504,418.60
  4. Step 4: Simplify right side
    26,243,981.40x = 807,176,370,534,321.12
  5. Step 5: Solve for x
    x = 807,176,370,534,321.12/26,243,981.40
  6. Step 6: Final answer
    x = 30,756,627.90

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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.