Home / 30,809,907.61-42,519,001.03-17,058,872.95

Finding the Fourth Proportional to 30,809,907.61, 42,519,001.03 and 17,058,872.95

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Solution

The fourth proportional to 30,809,907.61, 42,519,001.03 and 17,058,872.95 is: 23,541,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809,907.61 : 42,519,001.03 = 17,058,872.95 : x
  2. Step 2: Convert to fraction form
    30,809,907.61/42,519,001.03 = 17,058,872.95/x
  3. Step 3: Cross multiply
    30,809,907.61x = 42,519,001.03 × 17,058,872.95
  4. Step 4: Simplify right side
    30,809,907.61x = 725,326,236,638,146.88
  5. Step 5: Solve for x
    x = 725,326,236,638,146.88/30,809,907.61
  6. Step 6: Final answer
    x = 23,541,980.25

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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.