Home / 20,749,841.97-28,637,210.64-17,259,022.02

Finding the Fourth Proportional to 20,749,841.97, 28,637,210.64 and 17,259,022.02

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Solution

The fourth proportional to 20,749,841.97, 28,637,210.64 and 17,259,022.02 is: 23,819,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,749,841.97 : 28,637,210.64 = 17,259,022.02 : x
  2. Step 2: Convert to fraction form
    20,749,841.97/28,637,210.64 = 17,259,022.02/x
  3. Step 3: Cross multiply
    20,749,841.97x = 28,637,210.64 × 17,259,022.02
  4. Step 4: Simplify right side
    20,749,841.97x = 494,250,249,027,138.31
  5. Step 5: Solve for x
    x = 494,250,249,027,138.31/20,749,841.97
  6. Step 6: Final answer
    x = 23,819,470.52

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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.