Home / 30,888,326.52-42,625,895.82-17,137,257.84

Finding the Fourth Proportional to 30,888,326.52, 42,625,895.82 and 17,137,257.84

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Solution

The fourth proportional to 30,888,326.52, 42,625,895.82 and 17,137,257.84 is: 23,649,418.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888,326.52 : 42,625,895.82 = 17,137,257.84 : x
  2. Step 2: Convert to fraction form
    30,888,326.52/42,625,895.82 = 17,137,257.84/x
  3. Step 3: Cross multiply
    30,888,326.52x = 42,625,895.82 × 17,137,257.84
  4. Step 4: Simplify right side
    30,888,326.52x = 730,490,967,328,318.25
  5. Step 5: Solve for x
    x = 730,490,967,328,318.25/30,888,326.52
  6. Step 6: Final answer
    x = 23,649,418.72

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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.