Home / 28,418,137.48-39,216,801.29-16,498,057.13

Finding the Fourth Proportional to 28,418,137.48, 39,216,801.29 and 16,498,057.13

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Solution

The fourth proportional to 28,418,137.48, 39,216,801.29 and 16,498,057.13 is: 22,767,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,418,137.48 : 39,216,801.29 = 16,498,057.13 : x
  2. Step 2: Convert to fraction form
    28,418,137.48/39,216,801.29 = 16,498,057.13/x
  3. Step 3: Cross multiply
    28,418,137.48x = 39,216,801.29 × 16,498,057.13
  4. Step 4: Simplify right side
    28,418,137.48x = 647,001,028,138,277.75
  5. Step 5: Solve for x
    x = 647,001,028,138,277.75/28,418,137.48
  6. Step 6: Final answer
    x = 22,767,186.22

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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.