Home / 6,138,129.28-8,470,424.24-3,384,932.96

Finding the Fourth Proportional to 6,138,129.28, 8,470,424.24 and 3,384,932.96

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Solution

The fourth proportional to 6,138,129.28, 8,470,424.24 and 3,384,932.96 is: 4,671,100.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138,129.28 : 8,470,424.24 = 3,384,932.96 : x
  2. Step 2: Convert to fraction form
    6,138,129.28/8,470,424.24 = 3,384,932.96/x
  3. Step 3: Cross multiply
    6,138,129.28x = 8,470,424.24 × 3,384,932.96
  4. Step 4: Simplify right side
    6,138,129.28x = 28,671,818,195,158.95
  5. Step 5: Solve for x
    x = 28,671,818,195,158.95/6,138,129.28
  6. Step 6: Final answer
    x = 4,671,100.41

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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.