Home / 15,178,846.85-20,946,836.20-8,303,328.91

Finding the Fourth Proportional to 15,178,846.85, 20,946,836.20 and 8,303,328.91

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Solution

The fourth proportional to 15,178,846.85, 20,946,836.20 and 8,303,328.91 is: 11,458,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178,846.85 : 20,946,836.20 = 8,303,328.91 : x
  2. Step 2: Convert to fraction form
    15,178,846.85/20,946,836.20 = 8,303,328.91/x
  3. Step 3: Cross multiply
    15,178,846.85x = 20,946,836.20 × 8,303,328.91
  4. Step 4: Simplify right side
    15,178,846.85x = 173,928,470,589,598.97
  5. Step 5: Solve for x
    x = 173,928,470,589,598.97/15,178,846.85
  6. Step 6: Final answer
    x = 11,458,608.97

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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.