Home / 6,449,389.13-8,899,890.11-3,509,218.34

Finding the Fourth Proportional to 6,449,389.13, 8,899,890.11 and 3,509,218.34

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Solution

The fourth proportional to 6,449,389.13, 8,899,890.11 and 3,509,218.34 is: 4,842,576.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449,389.13 : 8,899,890.11 = 3,509,218.34 : x
  2. Step 2: Convert to fraction form
    6,449,389.13/8,899,890.11 = 3,509,218.34/x
  3. Step 3: Cross multiply
    6,449,389.13x = 8,899,890.11 × 3,509,218.34
  4. Step 4: Simplify right side
    6,449,389.13x = 31,231,657,580,450.53
  5. Step 5: Solve for x
    x = 31,231,657,580,450.53/6,449,389.13
  6. Step 6: Final answer
    x = 4,842,576.09

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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.