Home / 12,805,286.98-19,207,963.28-5,232,252.72

Finding the Fourth Proportional to 12,805,286.98, 19,207,963.28 and 5,232,252.72

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Solution

The fourth proportional to 12,805,286.98, 19,207,963.28 and 5,232,252.72 is: 7,848,392.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,286.98 : 19,207,963.28 = 5,232,252.72 : x
  2. Step 2: Convert to fraction form
    12,805,286.98/19,207,963.28 = 5,232,252.72/x
  3. Step 3: Cross multiply
    12,805,286.98x = 19,207,963.28 × 5,232,252.72
  4. Step 4: Simplify right side
    12,805,286.98x = 100,500,918,117,440.12
  5. Step 5: Solve for x
    x = 100,500,918,117,440.12/12,805,286.98
  6. Step 6: Final answer
    x = 7,848,392.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.