Home / 13,524,664.23-18,665,950.64-8,369,686.53

Finding the Fourth Proportional to 13,524,664.23, 18,665,950.64 and 8,369,686.53

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Solution

The fourth proportional to 13,524,664.23, 18,665,950.64 and 8,369,686.53 is: 11,551,351.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524,664.23 : 18,665,950.64 = 8,369,686.53 : x
  2. Step 2: Convert to fraction form
    13,524,664.23/18,665,950.64 = 8,369,686.53/x
  3. Step 3: Cross multiply
    13,524,664.23x = 18,665,950.64 × 8,369,686.53
  4. Step 4: Simplify right side
    13,524,664.23x = 156,228,155,599,404.47
  5. Step 5: Solve for x
    x = 156,228,155,599,404.47/13,524,664.23
  6. Step 6: Final answer
    x = 11,551,351.88

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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.