Home / 13,620,600.27-20,424,752.10-3,902,990.58

Finding the Fourth Proportional to 13,620,600.27, 20,424,752.10 and 3,902,990.58

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Solution

The fourth proportional to 13,620,600.27, 20,424,752.10 and 3,902,990.58 is: 5,852,724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,600.27 : 20,424,752.10 = 3,902,990.58 : x
  2. Step 2: Convert to fraction form
    13,620,600.27/20,424,752.10 = 3,902,990.58/x
  3. Step 3: Cross multiply
    13,620,600.27x = 20,424,752.10 × 3,902,990.58
  4. Step 4: Simplify right side
    13,620,600.27x = 79,717,615,045,135.22
  5. Step 5: Solve for x
    x = 79,717,615,045,135.22/13,620,600.27
  6. Step 6: Final answer
    x = 5,852,724.07

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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.