Home / 15,262,804.80-21,058,077.60-9,149,002.56

Finding the Fourth Proportional to 15,262,804.80, 21,058,077.60 and 9,149,002.56

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Solution

The fourth proportional to 15,262,804.80, 21,058,077.60 and 9,149,002.56 is: 12,622,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262,804.80 : 21,058,077.60 = 9,149,002.56 : x
  2. Step 2: Convert to fraction form
    15,262,804.80/21,058,077.60 = 9,149,002.56/x
  3. Step 3: Cross multiply
    15,262,804.80x = 21,058,077.60 × 9,149,002.56
  4. Step 4: Simplify right side
    15,262,804.80x = 192,660,405,871,078.69
  5. Step 5: Solve for x
    x = 192,660,405,871,078.69/15,262,804.80
  6. Step 6: Final answer
    x = 12,622,870.33

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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.