Home / 28,577,067.36-39,436,688.78-15,524,531.94

Finding the Fourth Proportional to 28,577,067.36, 39,436,688.78 and 15,524,531.94

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Solution

The fourth proportional to 28,577,067.36, 39,436,688.78 and 15,524,531.94 is: 21,424,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577,067.36 : 39,436,688.78 = 15,524,531.94 : x
  2. Step 2: Convert to fraction form
    28,577,067.36/39,436,688.78 = 15,524,531.94/x
  3. Step 3: Cross multiply
    28,577,067.36x = 39,436,688.78 × 15,524,531.94
  4. Step 4: Simplify right side
    28,577,067.36x = 612,236,134,572,949.62
  5. Step 5: Solve for x
    x = 612,236,134,572,949.62/28,577,067.36
  6. Step 6: Final answer
    x = 21,424,036.51

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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.