Home / 9,145,772.12-12,619,121.14-5,224,274.72

Finding the Fourth Proportional to 9,145,772.12, 12,619,121.14 and 5,224,274.72

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Solution

The fourth proportional to 9,145,772.12, 12,619,121.14 and 5,224,274.72 is: 7,208,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145,772.12 : 12,619,121.14 = 5,224,274.72 : x
  2. Step 2: Convert to fraction form
    9,145,772.12/12,619,121.14 = 5,224,274.72/x
  3. Step 3: Cross multiply
    9,145,772.12x = 12,619,121.14 × 5,224,274.72
  4. Step 4: Simplify right side
    9,145,772.12x = 65,925,755,622,058.58
  5. Step 5: Solve for x
    x = 65,925,755,622,058.58/9,145,772.12
  6. Step 6: Final answer
    x = 7,208,331.32

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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.