Home / 8,638,529.67-12,959,369.19-4,322,836.71

Finding the Fourth Proportional to 8,638,529.67, 12,959,369.19 and 4,322,836.71

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Solution

The fourth proportional to 8,638,529.67, 12,959,369.19 and 4,322,836.71 is: 6,485,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,529.67 : 12,959,369.19 = 4,322,836.71 : x
  2. Step 2: Convert to fraction form
    8,638,529.67/12,959,369.19 = 4,322,836.71/x
  3. Step 3: Cross multiply
    8,638,529.67x = 12,959,369.19 × 4,322,836.71
  4. Step 4: Simplify right side
    8,638,529.67x = 56,021,236,872,974.96
  5. Step 5: Solve for x
    x = 56,021,236,872,974.96/8,638,529.67
  6. Step 6: Final answer
    x = 6,485,043.06

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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.