Home / 27,483,717.79-37,942,255.20-21,190,500.28

Finding the Fourth Proportional to 27,483,717.79, 37,942,255.20 and 21,190,500.28

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Solution

The fourth proportional to 27,483,717.79, 37,942,255.20 and 21,190,500.28 is: 29,254,243.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,483,717.79 : 37,942,255.20 = 21,190,500.28 : x
  2. Step 2: Convert to fraction form
    27,483,717.79/37,942,255.20 = 21,190,500.28/x
  3. Step 3: Cross multiply
    27,483,717.79x = 37,942,255.20 × 21,190,500.28
  4. Step 4: Simplify right side
    27,483,717.79x = 804,015,369,439,431.62
  5. Step 5: Solve for x
    x = 804,015,369,439,431.62/27,483,717.79
  6. Step 6: Final answer
    x = 29,254,243.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.