Home / 28,488,698.26-39,314,418.38-15,435,967.43

Finding the Fourth Proportional to 28,488,698.26, 39,314,418.38 and 15,435,967.43

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Solution

The fourth proportional to 28,488,698.26, 39,314,418.38 and 15,435,967.43 is: 21,301,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488,698.26 : 39,314,418.38 = 15,435,967.43 : x
  2. Step 2: Convert to fraction form
    28,488,698.26/39,314,418.38 = 15,435,967.43/x
  3. Step 3: Cross multiply
    28,488,698.26x = 39,314,418.38 × 15,435,967.43
  4. Step 4: Simplify right side
    28,488,698.26x = 606,856,081,643,073.38
  5. Step 5: Solve for x
    x = 606,856,081,643,073.38/28,488,698.26
  6. Step 6: Final answer
    x = 21,301,643.06

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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.