Home / 12,838,861.08-17,707,296.90-11,286,804.36

Finding the Fourth Proportional to 12,838,861.08, 17,707,296.90 and 11,286,804.36

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Solution

The fourth proportional to 12,838,861.08, 17,707,296.90 and 11,286,804.36 is: 15,566,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,861.08 : 17,707,296.90 = 11,286,804.36 : x
  2. Step 2: Convert to fraction form
    12,838,861.08/17,707,296.90 = 11,286,804.36/x
  3. Step 3: Cross multiply
    12,838,861.08x = 17,707,296.90 × 11,286,804.36
  4. Step 4: Simplify right side
    12,838,861.08x = 199,858,795,854,734.47
  5. Step 5: Solve for x
    x = 199,858,795,854,734.47/12,838,861.08
  6. Step 6: Final answer
    x = 15,566,707.56

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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.