Home / 10,419,324.16-14,379,179.92-6,289,289.76

Finding the Fourth Proportional to 10,419,324.16, 14,379,179.92 and 6,289,289.76

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Solution

The fourth proportional to 10,419,324.16, 14,379,179.92 and 6,289,289.76 is: 8,679,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419,324.16 : 14,379,179.92 = 6,289,289.76 : x
  2. Step 2: Convert to fraction form
    10,419,324.16/14,379,179.92 = 6,289,289.76/x
  3. Step 3: Cross multiply
    10,419,324.16x = 14,379,179.92 × 6,289,289.76
  4. Step 4: Simplify right side
    10,419,324.16x = 90,434,829,028,053.61
  5. Step 5: Solve for x
    x = 90,434,829,028,053.61/10,419,324.16
  6. Step 6: Final answer
    x = 8,679,529.27

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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.