Home / 14,150,472.56-19,521,982.20-8,921,761.36

Finding the Fourth Proportional to 14,150,472.56, 19,521,982.20 and 8,921,761.36

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Solution

The fourth proportional to 14,150,472.56, 19,521,982.20 and 8,921,761.36 is: 12,308,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150,472.56 : 19,521,982.20 = 8,921,761.36 : x
  2. Step 2: Convert to fraction form
    14,150,472.56/19,521,982.20 = 8,921,761.36/x
  3. Step 3: Cross multiply
    14,150,472.56x = 19,521,982.20 × 8,921,761.36
  4. Step 4: Simplify right side
    14,150,472.56x = 174,170,466,462,567.78
  5. Step 5: Solve for x
    x = 174,170,466,462,567.78/14,150,472.56
  6. Step 6: Final answer
    x = 12,308,455.83

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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.