Home / 15,986,838.78-22,062,064.39-9,789,624.36

Finding the Fourth Proportional to 15,986,838.78, 22,062,064.39 and 9,789,624.36

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Solution

The fourth proportional to 15,986,838.78, 22,062,064.39 and 9,789,624.36 is: 13,509,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986,838.78 : 22,062,064.39 = 9,789,624.36 : x
  2. Step 2: Convert to fraction form
    15,986,838.78/22,062,064.39 = 9,789,624.36/x
  3. Step 3: Cross multiply
    15,986,838.78x = 22,062,064.39 × 9,789,624.36
  4. Step 4: Simplify right side
    15,986,838.78x = 215,979,322,987,296.69
  5. Step 5: Solve for x
    x = 215,979,322,987,296.69/15,986,838.78
  6. Step 6: Final answer
    x = 13,509,820.54

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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.