Home / 13,726,409.92-18,942,468-7,614,838.48

Finding the Fourth Proportional to 13,726,409.92, 18,942,468 and 7,614,838.48

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Solution

The fourth proportional to 13,726,409.92, 18,942,468 and 7,614,838.48 is: 10,508,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726,409.92 : 18,942,468 = 7,614,838.48 : x
  2. Step 2: Convert to fraction form
    13,726,409.92/18,942,468 = 7,614,838.48/x
  3. Step 3: Cross multiply
    13,726,409.92x = 18,942,468 × 7,614,838.48
  4. Step 4: Simplify right side
    13,726,409.92x = 144,243,834,232,568.66
  5. Step 5: Solve for x
    x = 144,243,834,232,568.66/13,726,409.92
  6. Step 6: Final answer
    x = 10,508,489.48

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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.