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Finding the Fourth Proportional to 18,006,297.02, 24,848,690.73 and 9,857,535.02

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Solution

The fourth proportional to 18,006,297.02, 24,848,690.73 and 9,857,535.02 is: 13,603,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006,297.02 : 24,848,690.73 = 9,857,535.02 : x
  2. Step 2: Convert to fraction form
    18,006,297.02/24,848,690.73 = 9,857,535.02/x
  3. Step 3: Cross multiply
    18,006,297.02x = 24,848,690.73 × 9,857,535.02
  4. Step 4: Simplify right side
    18,006,297.02x = 244,946,839,072,124.34
  5. Step 5: Solve for x
    x = 244,946,839,072,124.34/18,006,297.02
  6. Step 6: Final answer
    x = 13,603,398.79

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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.