Home / 15,017,631.01-20,724,767.98-8,491,120.34

Finding the Fourth Proportional to 15,017,631.01, 20,724,767.98 and 8,491,120.34

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Solution

The fourth proportional to 15,017,631.01, 20,724,767.98 and 8,491,120.34 is: 11,717,993.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017,631.01 : 20,724,767.98 = 8,491,120.34 : x
  2. Step 2: Convert to fraction form
    15,017,631.01/20,724,767.98 = 8,491,120.34/x
  3. Step 3: Cross multiply
    15,017,631.01x = 20,724,767.98 × 8,491,120.34
  4. Step 4: Simplify right side
    15,017,631.01x = 175,976,498,936,758.72
  5. Step 5: Solve for x
    x = 175,976,498,936,758.72/15,017,631.01
  6. Step 6: Final answer
    x = 11,717,993.26

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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.