Home / 10,167,812.82-14,031,525.03-5,521,553.19

Finding the Fourth Proportional to 10,167,812.82, 14,031,525.03 and 5,521,553.19

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Solution

The fourth proportional to 10,167,812.82, 14,031,525.03 and 5,521,553.19 is: 7,619,712.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167,812.82 : 14,031,525.03 = 5,521,553.19 : x
  2. Step 2: Convert to fraction form
    10,167,812.82/14,031,525.03 = 5,521,553.19/x
  3. Step 3: Cross multiply
    10,167,812.82x = 14,031,525.03 × 5,521,553.19
  4. Step 4: Simplify right side
    10,167,812.82x = 77,475,811,789,961.34
  5. Step 5: Solve for x
    x = 77,475,811,789,961.34/10,167,812.82
  6. Step 6: Final answer
    x = 7,619,712.63

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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.