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Finding the Fourth Proportional to 18,902,261, 26,085,251.40 and 10,753,499

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Solution

The fourth proportional to 18,902,261, 26,085,251.40 and 10,753,499 is: 14,839,903.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902,261 : 26,085,251.40 = 10,753,499 : x
  2. Step 2: Convert to fraction form
    18,902,261/26,085,251.40 = 10,753,499/x
  3. Step 3: Cross multiply
    18,902,261x = 26,085,251.40 × 10,753,499
  4. Step 4: Simplify right side
    18,902,261x = 280,507,724,844,648.59
  5. Step 5: Solve for x
    x = 280,507,724,844,648.59/18,902,261
  6. Step 6: Final answer
    x = 14,839,903.27

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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.