Home / 28,541,448.77-39,387,224.43-15,488,707.41

Finding the Fourth Proportional to 28,541,448.77, 39,387,224.43 and 15,488,707.41

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Solution

The fourth proportional to 28,541,448.77, 39,387,224.43 and 15,488,707.41 is: 21,374,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541,448.77 : 39,387,224.43 = 15,488,707.41 : x
  2. Step 2: Convert to fraction form
    28,541,448.77/39,387,224.43 = 15,488,707.41/x
  3. Step 3: Cross multiply
    28,541,448.77x = 39,387,224.43 × 15,488,707.41
  4. Step 4: Simplify right side
    28,541,448.77x = 610,057,194,888,274
  5. Step 5: Solve for x
    x = 610,057,194,888,274/28,541,448.77
  6. Step 6: Final answer
    x = 21,374,429.87

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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.