Home / 13,687,058.99-18,886,849.54-8,179,337.34

Finding the Fourth Proportional to 13,687,058.99, 18,886,849.54 and 8,179,337.34

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Solution

The fourth proportional to 13,687,058.99, 18,886,849.54 and 8,179,337.34 is: 11,286,713.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687,058.99 : 18,886,849.54 = 8,179,337.34 : x
  2. Step 2: Convert to fraction form
    13,687,058.99/18,886,849.54 = 8,179,337.34/x
  3. Step 3: Cross multiply
    13,687,058.99x = 18,886,849.54 × 8,179,337.34
  4. Step 4: Simplify right side
    13,687,058.99x = 154,481,913,657,035.50
  5. Step 5: Solve for x
    x = 154,481,913,657,035.50/13,687,058.99
  6. Step 6: Final answer
    x = 11,286,713.51

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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.