Home / 14,771,507.76-20,388,081.96-8,661,904.56

Finding the Fourth Proportional to 14,771,507.76, 20,388,081.96 and 8,661,904.56

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Solution

The fourth proportional to 14,771,507.76, 20,388,081.96 and 8,661,904.56 is: 11,955,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,507.76 : 20,388,081.96 = 8,661,904.56 : x
  2. Step 2: Convert to fraction form
    14,771,507.76/20,388,081.96 = 8,661,904.56/x
  3. Step 3: Cross multiply
    14,771,507.76x = 20,388,081.96 × 8,661,904.56
  4. Step 4: Simplify right side
    14,771,507.76x = 176,599,620,098,977.75
  5. Step 5: Solve for x
    x = 176,599,620,098,977.75/14,771,507.76
  6. Step 6: Final answer
    x = 11,955,422.76

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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.