Home / 12,813,467.76-17,682,573.98-7,232,889.17

Finding the Fourth Proportional to 12,813,467.76, 17,682,573.98 and 7,232,889.17

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Solution

The fourth proportional to 12,813,467.76, 17,682,573.98 and 7,232,889.17 is: 9,981,380.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813,467.76 : 17,682,573.98 = 7,232,889.17 : x
  2. Step 2: Convert to fraction form
    12,813,467.76/17,682,573.98 = 7,232,889.17/x
  3. Step 3: Cross multiply
    12,813,467.76x = 17,682,573.98 × 7,232,889.17
  4. Step 4: Simplify right side
    12,813,467.76x = 127,896,097,899,954.47
  5. Step 5: Solve for x
    x = 127,896,097,899,954.47/12,813,467.76
  6. Step 6: Final answer
    x = 9,981,380.55

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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.