Home / 18,986,743.64-26,196,390.63-11,923,098.75

Finding the Fourth Proportional to 18,986,743.64, 26,196,390.63 and 11,923,098.75

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Solution

The fourth proportional to 18,986,743.64, 26,196,390.63 and 11,923,098.75 is: 16,450,538.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986,743.64 : 26,196,390.63 = 11,923,098.75 : x
  2. Step 2: Convert to fraction form
    18,986,743.64/26,196,390.63 = 11,923,098.75/x
  3. Step 3: Cross multiply
    18,986,743.64x = 26,196,390.63 × 11,923,098.75
  4. Step 4: Simplify right side
    18,986,743.64x = 312,342,152,375,064.69
  5. Step 5: Solve for x
    x = 312,342,152,375,064.69/18,986,743.64
  6. Step 6: Final answer
    x = 16,450,538.24

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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.