Home / 16,982,728.80-25,436,768.40-10,239,381.60

Finding the Fourth Proportional to 16,982,728.80, 25,436,768.40 and 10,239,381.60

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Solution

The fourth proportional to 16,982,728.80, 25,436,768.40 and 10,239,381.60 is: 15,336,568.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982,728.80 : 25,436,768.40 = 10,239,381.60 : x
  2. Step 2: Convert to fraction form
    16,982,728.80/25,436,768.40 = 10,239,381.60/x
  3. Step 3: Cross multiply
    16,982,728.80x = 25,436,768.40 × 10,239,381.60
  4. Step 4: Simplify right side
    16,982,728.80x = 260,456,778,318,421.41
  5. Step 5: Solve for x
    x = 260,456,778,318,421.41/16,982,728.80
  6. Step 6: Final answer
    x = 15,336,568.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.