Home / 8,268,384.33-12,402,548.70-2,120,359.18

Finding the Fourth Proportional to 8,268,384.33, 12,402,548.70 and 2,120,359.18

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Solution

The fourth proportional to 8,268,384.33, 12,402,548.70 and 2,120,359.18 is: 3,180,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268,384.33 : 12,402,548.70 = 2,120,359.18 : x
  2. Step 2: Convert to fraction form
    8,268,384.33/12,402,548.70 = 2,120,359.18/x
  3. Step 3: Cross multiply
    8,268,384.33x = 12,402,548.70 × 2,120,359.18
  4. Step 4: Simplify right side
    8,268,384.33x = 26,297,857,991,442.07
  5. Step 5: Solve for x
    x = 26,297,857,991,442.07/8,268,384.33
  6. Step 6: Final answer
    x = 3,180,531.64

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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.