Home / 18,158,843.55-25,058,297.90-10,317,319.82

Finding the Fourth Proportional to 18,158,843.55, 25,058,297.90 and 10,317,319.82

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Solution

The fourth proportional to 18,158,843.55, 25,058,297.90 and 10,317,319.82 is: 14,237,386.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158,843.55 : 25,058,297.90 = 10,317,319.82 : x
  2. Step 2: Convert to fraction form
    18,158,843.55/25,058,297.90 = 10,317,319.82/x
  3. Step 3: Cross multiply
    18,158,843.55x = 25,058,297.90 × 10,317,319.82
  4. Step 4: Simplify right side
    18,158,843.55x = 258,534,473,573,604.78
  5. Step 5: Solve for x
    x = 258,534,473,573,604.78/18,158,843.55
  6. Step 6: Final answer
    x = 14,237,386.47

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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.