Home / 26,189,378.79-36,138,067.24-15,175,927.45

Finding the Fourth Proportional to 26,189,378.79, 36,138,067.24 and 15,175,927.45

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Solution

The fourth proportional to 26,189,378.79, 36,138,067.24 and 15,175,927.45 is: 20,940,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,189,378.79 : 36,138,067.24 = 15,175,927.45 : x
  2. Step 2: Convert to fraction form
    26,189,378.79/36,138,067.24 = 15,175,927.45/x
  3. Step 3: Cross multiply
    26,189,378.79x = 36,138,067.24 × 15,175,927.45
  4. Step 4: Simplify right side
    26,189,378.79x = 548,428,686,617,461.75
  5. Step 5: Solve for x
    x = 548,428,686,617,461.75/26,189,378.79
  6. Step 6: Final answer
    x = 20,940,881.84

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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.