Home / 12,347,899.92-18,433,758.09-11,527,319.90

Finding the Fourth Proportional to 12,347,899.92, 18,433,758.09 and 11,527,319.90

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Solution

The fourth proportional to 12,347,899.92, 18,433,758.09 and 11,527,319.90 is: 17,208,742.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347,899.92 : 18,433,758.09 = 11,527,319.90 : x
  2. Step 2: Convert to fraction form
    12,347,899.92/18,433,758.09 = 11,527,319.90/x
  3. Step 3: Cross multiply
    12,347,899.92x = 18,433,758.09 × 11,527,319.90
  4. Step 4: Simplify right side
    12,347,899.92x = 212,491,826,370,474.19
  5. Step 5: Solve for x
    x = 212,491,826,370,474.19/12,347,899.92
  6. Step 6: Final answer
    x = 17,208,742.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.