Home / 13,629,018.21-18,810,081.81-8,739,761.01

Finding the Fourth Proportional to 13,629,018.21, 18,810,081.81 and 8,739,761.01

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Solution

The fourth proportional to 13,629,018.21, 18,810,081.81 and 8,739,761.01 is: 12,062,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629,018.21 : 18,810,081.81 = 8,739,761.01 : x
  2. Step 2: Convert to fraction form
    13,629,018.21/18,810,081.81 = 8,739,761.01/x
  3. Step 3: Cross multiply
    13,629,018.21x = 18,810,081.81 × 8,739,761.01
  4. Step 4: Simplify right side
    13,629,018.21x = 164,395,619,597,948.22
  5. Step 5: Solve for x
    x = 164,395,619,597,948.22/13,629,018.21
  6. Step 6: Final answer
    x = 12,062,176.24

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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.