Home / 13,834,091.70-20,751,137.55-6,643,891.80

Finding the Fourth Proportional to 13,834,091.70, 20,751,137.55 and 6,643,891.80

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Solution

The fourth proportional to 13,834,091.70, 20,751,137.55 and 6,643,891.80 is: 9,965,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834,091.70 : 20,751,137.55 = 6,643,891.80 : x
  2. Step 2: Convert to fraction form
    13,834,091.70/20,751,137.55 = 6,643,891.80/x
  3. Step 3: Cross multiply
    13,834,091.70x = 20,751,137.55 × 6,643,891.80
  4. Step 4: Simplify right side
    13,834,091.70x = 137,868,312,609,117.09
  5. Step 5: Solve for x
    x = 137,868,312,609,117.09/13,834,091.70
  6. Step 6: Final answer
    x = 9,965,837.70

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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.