Home / 12,003,844.21-18,005,779.17-5,618,580.59

Finding the Fourth Proportional to 12,003,844.21, 18,005,779.17 and 5,618,580.59

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Solution

The fourth proportional to 12,003,844.21, 18,005,779.17 and 5,618,580.59 is: 8,427,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,844.21 : 18,005,779.17 = 5,618,580.59 : x
  2. Step 2: Convert to fraction form
    12,003,844.21/18,005,779.17 = 5,618,580.59/x
  3. Step 3: Cross multiply
    12,003,844.21x = 18,005,779.17 × 5,618,580.59
  4. Step 4: Simplify right side
    12,003,844.21x = 101,166,921,397,402.77
  5. Step 5: Solve for x
    x = 101,166,921,397,402.77/12,003,844.21
  6. Step 6: Final answer
    x = 8,427,876.91

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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.