Home / 13,338,833.40-20,007,692.82-5,660,370.36

Finding the Fourth Proportional to 13,338,833.40, 20,007,692.82 and 5,660,370.36

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Solution

The fourth proportional to 13,338,833.40, 20,007,692.82 and 5,660,370.36 is: 8,490,319.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,833.40 : 20,007,692.82 = 5,660,370.36 : x
  2. Step 2: Convert to fraction form
    13,338,833.40/20,007,692.82 = 5,660,370.36/x
  3. Step 3: Cross multiply
    13,338,833.40x = 20,007,692.82 × 5,660,370.36
  4. Step 4: Simplify right side
    13,338,833.40x = 113,250,951,410,312.83
  5. Step 5: Solve for x
    x = 113,250,951,410,312.83/13,338,833.40
  6. Step 6: Final answer
    x = 8,490,319.06

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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.