Home / 30,809,542.46-42,518,496.85-17,058,506.45

Finding the Fourth Proportional to 30,809,542.46, 42,518,496.85 and 17,058,506.45

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Solution

The fourth proportional to 30,809,542.46, 42,518,496.85 and 17,058,506.45 is: 23,541,474.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809,542.46 : 42,518,496.85 = 17,058,506.45 : x
  2. Step 2: Convert to fraction form
    30,809,542.46/42,518,496.85 = 17,058,506.45/x
  3. Step 3: Cross multiply
    30,809,542.46x = 42,518,496.85 × 17,058,506.45
  4. Step 4: Simplify right side
    30,809,542.46x = 725,302,052,504,790.88
  5. Step 5: Solve for x
    x = 725,302,052,504,790.88/30,809,542.46
  6. Step 6: Final answer
    x = 23,541,474.32

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Double scale
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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.