Home / 14,509,682.82-20,022,949.40-7,983,316.71

Finding the Fourth Proportional to 14,509,682.82, 20,022,949.40 and 7,983,316.71

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Solution

The fourth proportional to 14,509,682.82, 20,022,949.40 and 7,983,316.71 is: 11,016,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509,682.82 : 20,022,949.40 = 7,983,316.71 : x
  2. Step 2: Convert to fraction form
    14,509,682.82/20,022,949.40 = 7,983,316.71/x
  3. Step 3: Cross multiply
    14,509,682.82x = 20,022,949.40 × 7,983,316.71
  4. Step 4: Simplify right side
    14,509,682.82x = 159,849,546,488,587.88
  5. Step 5: Solve for x
    x = 159,849,546,488,587.88/14,509,682.82
  6. Step 6: Final answer
    x = 11,016,749.88

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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.