Home / 18,561,679.68-25,615,292.76-10,413,092.64

Finding the Fourth Proportional to 18,561,679.68, 25,615,292.76 and 10,413,092.64

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Solution

The fourth proportional to 18,561,679.68, 25,615,292.76 and 10,413,092.64 is: 14,370,165.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561,679.68 : 25,615,292.76 = 10,413,092.64 : x
  2. Step 2: Convert to fraction form
    18,561,679.68/25,615,292.76 = 10,413,092.64/x
  3. Step 3: Cross multiply
    18,561,679.68x = 25,615,292.76 × 10,413,092.64
  4. Step 4: Simplify right side
    18,561,679.68x = 266,734,416,510,601.31
  5. Step 5: Solve for x
    x = 266,734,416,510,601.31/18,561,679.68
  6. Step 6: Final answer
    x = 14,370,165.91

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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.