Home / 12,513,661.58-18,748,416.42-10,959,313.30

Finding the Fourth Proportional to 12,513,661.58, 18,748,416.42 and 10,959,313.30

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Solution

The fourth proportional to 12,513,661.58, 18,748,416.42 and 10,959,313.30 is: 16,419,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,661.58 : 18,748,416.42 = 10,959,313.30 : x
  2. Step 2: Convert to fraction form
    12,513,661.58/18,748,416.42 = 10,959,313.30/x
  3. Step 3: Cross multiply
    12,513,661.58x = 18,748,416.42 × 10,959,313.30
  4. Step 4: Simplify right side
    12,513,661.58x = 205,469,769,378,773.34
  5. Step 5: Solve for x
    x = 205,469,769,378,773.34/12,513,661.58
  6. Step 6: Final answer
    x = 16,419,636.09

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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.