Home / 21,842,415.43-30,143,173.89-11,919,938.77

Finding the Fourth Proportional to 21,842,415.43, 30,143,173.89 and 11,919,938.77

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Solution

The fourth proportional to 21,842,415.43, 30,143,173.89 and 11,919,938.77 is: 16,449,865.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842,415.43 : 30,143,173.89 = 11,919,938.77 : x
  2. Step 2: Convert to fraction form
    21,842,415.43/30,143,173.89 = 11,919,938.77/x
  3. Step 3: Cross multiply
    21,842,415.43x = 30,143,173.89 × 11,919,938.77
  4. Step 4: Simplify right side
    21,842,415.43x = 359,304,787,102,262.69
  5. Step 5: Solve for x
    x = 359,304,787,102,262.69/21,842,415.43
  6. Step 6: Final answer
    x = 16,449,865.09

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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.