Home / 22,919,621.58-31,629,094.11-12,607,129.26

Finding the Fourth Proportional to 22,919,621.58, 31,629,094.11 and 12,607,129.26

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Solution

The fourth proportional to 22,919,621.58, 31,629,094.11 and 12,607,129.26 is: 17,397,847.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919,621.58 : 31,629,094.11 = 12,607,129.26 : x
  2. Step 2: Convert to fraction form
    22,919,621.58/31,629,094.11 = 12,607,129.26/x
  3. Step 3: Cross multiply
    22,919,621.58x = 31,629,094.11 × 12,607,129.26
  4. Step 4: Simplify right side
    22,919,621.58x = 398,752,077,821,474.62
  5. Step 5: Solve for x
    x = 398,752,077,821,474.62/22,919,621.58
  6. Step 6: Final answer
    x = 17,397,847.36

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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.