Home / 14,279,231.82-19,721,564.22-9,624,989.64

Finding the Fourth Proportional to 14,279,231.82, 19,721,564.22 and 9,624,989.64

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Solution

The fourth proportional to 14,279,231.82, 19,721,564.22 and 9,624,989.64 is: 13,293,421.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,231.82 : 19,721,564.22 = 9,624,989.64 : x
  2. Step 2: Convert to fraction form
    14,279,231.82/19,721,564.22 = 9,624,989.64/x
  3. Step 3: Cross multiply
    14,279,231.82x = 19,721,564.22 × 9,624,989.64
  4. Step 4: Simplify right side
    14,279,231.82x = 189,819,851,302,094.69
  5. Step 5: Solve for x
    x = 189,819,851,302,094.69/14,279,231.82
  6. Step 6: Final answer
    x = 13,293,421.78

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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.