Home / 18,502,722.18-25,534,058.94-10,129,952.34

Finding the Fourth Proportional to 18,502,722.18, 25,534,058.94 and 10,129,952.34

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Solution

The fourth proportional to 18,502,722.18, 25,534,058.94 and 10,129,952.34 is: 13,979,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502,722.18 : 25,534,058.94 = 10,129,952.34 : x
  2. Step 2: Convert to fraction form
    18,502,722.18/25,534,058.94 = 10,129,952.34/x
  3. Step 3: Cross multiply
    18,502,722.18x = 25,534,058.94 × 10,129,952.34
  4. Step 4: Simplify right side
    18,502,722.18x = 258,658,800,108,950.94
  5. Step 5: Solve for x
    x = 258,658,800,108,950.94/18,502,722.18
  6. Step 6: Final answer
    x = 13,979,499.75

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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.