Home / 15,288,799.73-21,098,529.41-8,413,281.81

Finding the Fourth Proportional to 15,288,799.73, 21,098,529.41 and 8,413,281.81

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Solution

The fourth proportional to 15,288,799.73, 21,098,529.41 and 8,413,281.81 is: 11,610,321.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288,799.73 : 21,098,529.41 = 8,413,281.81 : x
  2. Step 2: Convert to fraction form
    15,288,799.73/21,098,529.41 = 8,413,281.81/x
  3. Step 3: Cross multiply
    15,288,799.73x = 21,098,529.41 × 8,413,281.81
  4. Step 4: Simplify right side
    15,288,799.73x = 177,507,873,660,836.66
  5. Step 5: Solve for x
    x = 177,507,873,660,836.66/15,288,799.73
  6. Step 6: Final answer
    x = 11,610,321.08

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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.