Home / 30,976,591.38-42,747,781.29-17,039,374.35

Finding the Fourth Proportional to 30,976,591.38, 42,747,781.29 and 17,039,374.35

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Solution

The fourth proportional to 30,976,591.38, 42,747,781.29 and 17,039,374.35 is: 23,514,383.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976,591.38 : 42,747,781.29 = 17,039,374.35 : x
  2. Step 2: Convert to fraction form
    30,976,591.38/42,747,781.29 = 17,039,374.35/x
  3. Step 3: Cross multiply
    30,976,591.38x = 42,747,781.29 × 17,039,374.35
  4. Step 4: Simplify right side
    30,976,591.38x = 728,395,448,032,236
  5. Step 5: Solve for x
    x = 728,395,448,032,236/30,976,591.38
  6. Step 6: Final answer
    x = 23,514,383.46

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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.