Home / 14,620,250.11-20,178,056.60-8,424,110.56

Finding the Fourth Proportional to 14,620,250.11, 20,178,056.60 and 8,424,110.56

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Solution

The fourth proportional to 14,620,250.11, 20,178,056.60 and 8,424,110.56 is: 11,626,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620,250.11 : 20,178,056.60 = 8,424,110.56 : x
  2. Step 2: Convert to fraction form
    14,620,250.11/20,178,056.60 = 8,424,110.56/x
  3. Step 3: Cross multiply
    14,620,250.11x = 20,178,056.60 × 8,424,110.56
  4. Step 4: Simplify right side
    14,620,250.11x = 169,982,179,684,337.72
  5. Step 5: Solve for x
    x = 169,982,179,684,337.72/14,620,250.11
  6. Step 6: Final answer
    x = 11,626,489.18

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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.