Home / 6,778,436.74-10,167,737.73-1,986,222.94

Finding the Fourth Proportional to 6,778,436.74, 10,167,737.73 and 1,986,222.94

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Solution

The fourth proportional to 6,778,436.74, 10,167,737.73 and 1,986,222.94 is: 2,979,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778,436.74 : 10,167,737.73 = 1,986,222.94 : x
  2. Step 2: Convert to fraction form
    6,778,436.74/10,167,737.73 = 1,986,222.94/x
  3. Step 3: Cross multiply
    6,778,436.74x = 10,167,737.73 × 1,986,222.94
  4. Step 4: Simplify right side
    6,778,436.74x = 20,195,393,927,229.53
  5. Step 5: Solve for x
    x = 20,195,393,927,229.53/6,778,436.74
  6. Step 6: Final answer
    x = 2,979,358.62

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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.