Home / 30,809,089.13-42,517,871.60-17,058,053.25

Finding the Fourth Proportional to 30,809,089.13, 42,517,871.60 and 17,058,053.25

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Solution

The fourth proportional to 30,809,089.13, 42,517,871.60 and 17,058,053.25 is: 23,540,849.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809,089.13 : 42,517,871.60 = 17,058,053.25 : x
  2. Step 2: Convert to fraction form
    30,809,089.13/42,517,871.60 = 17,058,053.25/x
  3. Step 3: Cross multiply
    30,809,089.13x = 42,517,871.60 × 17,058,053.25
  4. Step 4: Simplify right side
    30,809,089.13x = 725,272,117,744,172.38
  5. Step 5: Solve for x
    x = 725,272,117,744,172.38/30,809,089.13
  6. Step 6: Final answer
    x = 23,540,849.09

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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.