Home / 11,702,115.88-16,147,504.74-6,742,179.72

Finding the Fourth Proportional to 11,702,115.88, 16,147,504.74 and 6,742,179.72

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Solution

The fourth proportional to 11,702,115.88, 16,147,504.74 and 6,742,179.72 is: 9,303,392.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702,115.88 : 16,147,504.74 = 6,742,179.72 : x
  2. Step 2: Convert to fraction form
    11,702,115.88/16,147,504.74 = 6,742,179.72/x
  3. Step 3: Cross multiply
    11,702,115.88x = 16,147,504.74 × 6,742,179.72
  4. Step 4: Simplify right side
    11,702,115.88x = 108,869,378,986,631.88
  5. Step 5: Solve for x
    x = 108,869,378,986,631.88/11,702,115.88
  6. Step 6: Final answer
    x = 9,303,392.66

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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.