Home / 19,519,911.26-29,105,353.70-18,983,613.86

Finding the Fourth Proportional to 19,519,911.26, 29,105,353.70 and 18,983,613.86

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Solution

The fourth proportional to 19,519,911.26, 29,105,353.70 and 18,983,613.86 is: 28,305,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519,911.26 : 29,105,353.70 = 18,983,613.86 : x
  2. Step 2: Convert to fraction form
    19,519,911.26/29,105,353.70 = 18,983,613.86/x
  3. Step 3: Cross multiply
    19,519,911.26x = 29,105,353.70 × 18,983,613.86
  4. Step 4: Simplify right side
    19,519,911.26x = 552,524,795,826,758.94
  5. Step 5: Solve for x
    x = 552,524,795,826,758.94/19,519,911.26
  6. Step 6: Final answer
    x = 28,305,702.24

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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.