Home / 14,819,656.68-20,441,636.42-11,886,511.77

Finding the Fourth Proportional to 14,819,656.68, 20,441,636.42 and 11,886,511.77

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Solution

The fourth proportional to 14,819,656.68, 20,441,636.42 and 11,886,511.77 is: 16,395,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819,656.68 : 20,441,636.42 = 11,886,511.77 : x
  2. Step 2: Convert to fraction form
    14,819,656.68/20,441,636.42 = 11,886,511.77/x
  3. Step 3: Cross multiply
    14,819,656.68x = 20,441,636.42 × 11,886,511.77
  4. Step 4: Simplify right side
    14,819,656.68x = 242,979,751,844,958.09
  5. Step 5: Solve for x
    x = 242,979,751,844,958.09/14,819,656.68
  6. Step 6: Final answer
    x = 16,395,774.69

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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.