Home / 15,012,807.22-20,717,704.49-8,137,293.94

Finding the Fourth Proportional to 15,012,807.22, 20,717,704.49 and 8,137,293.94

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Solution

The fourth proportional to 15,012,807.22, 20,717,704.49 and 8,137,293.94 is: 11,229,482.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012,807.22 : 20,717,704.49 = 8,137,293.94 : x
  2. Step 2: Convert to fraction form
    15,012,807.22/20,717,704.49 = 8,137,293.94/x
  3. Step 3: Cross multiply
    15,012,807.22x = 20,717,704.49 × 8,137,293.94
  4. Step 4: Simplify right side
    15,012,807.22x = 168,586,051,052,912.78
  5. Step 5: Solve for x
    x = 168,586,051,052,912.78/15,012,807.22
  6. Step 6: Final answer
    x = 11,229,482.18

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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.