Home / 30,976,580.93-42,747,766.86-17,039,363.82

Finding the Fourth Proportional to 30,976,580.93, 42,747,766.86 and 17,039,363.82

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Solution

The fourth proportional to 30,976,580.93, 42,747,766.86 and 17,039,363.82 is: 23,514,368.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976,580.93 : 42,747,766.86 = 17,039,363.82 : x
  2. Step 2: Convert to fraction form
    30,976,580.93/42,747,766.86 = 17,039,363.82/x
  3. Step 3: Cross multiply
    30,976,580.93x = 42,747,766.86 × 17,039,363.82
  4. Step 4: Simplify right side
    30,976,580.93x = 728,394,752,020,079
  5. Step 5: Solve for x
    x = 728,394,752,020,079/30,976,580.93
  6. Step 6: Final answer
    x = 23,514,368.93

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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.