Home / 8,222,406.48-12,328,615.38-4,118,955.39

Finding the Fourth Proportional to 8,222,406.48, 12,328,615.38 and 4,118,955.39

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Solution

The fourth proportional to 8,222,406.48, 12,328,615.38 and 4,118,955.39 is: 6,175,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222,406.48 : 12,328,615.38 = 4,118,955.39 : x
  2. Step 2: Convert to fraction form
    8,222,406.48/12,328,615.38 = 4,118,955.39/x
  3. Step 3: Cross multiply
    8,222,406.48x = 12,328,615.38 × 4,118,955.39
  4. Step 4: Simplify right side
    8,222,406.48x = 50,781,016,770,687.91
  5. Step 5: Solve for x
    x = 50,781,016,770,687.91/8,222,406.48
  6. Step 6: Final answer
    x = 6,175,931.21

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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.