Home / 13,058,222.92-18,014,757.80-8,154,932.48

Finding the Fourth Proportional to 13,058,222.92, 18,014,757.80 and 8,154,932.48

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Solution

The fourth proportional to 13,058,222.92, 18,014,757.80 and 8,154,932.48 is: 11,250,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058,222.92 : 18,014,757.80 = 8,154,932.48 : x
  2. Step 2: Convert to fraction form
    13,058,222.92/18,014,757.80 = 8,154,932.48/x
  3. Step 3: Cross multiply
    13,058,222.92x = 18,014,757.80 × 8,154,932.48
  4. Step 4: Simplify right side
    13,058,222.92x = 146,909,133,502,553.34
  5. Step 5: Solve for x
    x = 146,909,133,502,553.34/13,058,222.92
  6. Step 6: Final answer
    x = 11,250,315.94

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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.