Home / 13,674,150.12-18,876,137.71-8,520,058.16

Finding the Fourth Proportional to 13,674,150.12, 18,876,137.71 and 8,520,058.16

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Solution

The fourth proportional to 13,674,150.12, 18,876,137.71 and 8,520,058.16 is: 11,761,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,150.12 : 18,876,137.71 = 8,520,058.16 : x
  2. Step 2: Convert to fraction form
    13,674,150.12/18,876,137.71 = 8,520,058.16/x
  3. Step 3: Cross multiply
    13,674,150.12x = 18,876,137.71 × 8,520,058.16
  4. Step 4: Simplify right side
    13,674,150.12x = 160,825,791,125,369.22
  5. Step 5: Solve for x
    x = 160,825,791,125,369.22/13,674,150.12
  6. Step 6: Final answer
    x = 11,761,300.68

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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.