Home / 20,231,970.70-30,347,956.05-17,893,630.30

Finding the Fourth Proportional to 20,231,970.70, 30,347,956.05 and 17,893,630.30

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Solution

The fourth proportional to 20,231,970.70, 30,347,956.05 and 17,893,630.30 is: 26,840,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231,970.70 : 30,347,956.05 = 17,893,630.30 : x
  2. Step 2: Convert to fraction form
    20,231,970.70/30,347,956.05 = 17,893,630.30/x
  3. Step 3: Cross multiply
    20,231,970.70x = 30,347,956.05 × 17,893,630.30
  4. Step 4: Simplify right side
    20,231,970.70x = 543,035,105,919,348.38
  5. Step 5: Solve for x
    x = 543,035,105,919,348.38/20,231,970.70
  6. Step 6: Final answer
    x = 26,840,445.45

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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.