Home / 28,488,696.26-39,314,415.62-15,435,965.43

Finding the Fourth Proportional to 28,488,696.26, 39,314,415.62 and 15,435,965.43

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Solution

The fourth proportional to 28,488,696.26, 39,314,415.62 and 15,435,965.43 is: 21,301,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488,696.26 : 39,314,415.62 = 15,435,965.43 : x
  2. Step 2: Convert to fraction form
    28,488,696.26/39,314,415.62 = 15,435,965.43/x
  3. Step 3: Cross multiply
    28,488,696.26x = 39,314,415.62 × 15,435,965.43
  4. Step 4: Simplify right side
    28,488,696.26x = 606,855,960,449,562
  5. Step 5: Solve for x
    x = 606,855,960,449,562/28,488,696.26
  6. Step 6: Final answer
    x = 21,301,640.31

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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.