Home / 21,903,692.34-30,236,402.53-13,647,833.61

Finding the Fourth Proportional to 21,903,692.34, 30,236,402.53 and 13,647,833.61

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Solution

The fourth proportional to 21,903,692.34, 30,236,402.53 and 13,647,833.61 is: 18,839,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,903,692.34 : 30,236,402.53 = 13,647,833.61 : x
  2. Step 2: Convert to fraction form
    21,903,692.34/30,236,402.53 = 13,647,833.61/x
  3. Step 3: Cross multiply
    21,903,692.34x = 30,236,402.53 × 13,647,833.61
  4. Step 4: Simplify right side
    21,903,692.34x = 412,661,390,694,423.06
  5. Step 5: Solve for x
    x = 412,661,390,694,423.06/21,903,692.34
  6. Step 6: Final answer
    x = 18,839,809.48

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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.