Home / 22,520,132.39-31,071,822.08-13,224,731.09

Finding the Fourth Proportional to 22,520,132.39, 31,071,822.08 and 13,224,731.09

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Solution

The fourth proportional to 22,520,132.39, 31,071,822.08 and 13,224,731.09 is: 18,246,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,520,132.39 : 31,071,822.08 = 13,224,731.09 : x
  2. Step 2: Convert to fraction form
    22,520,132.39/31,071,822.08 = 13,224,731.09/x
  3. Step 3: Cross multiply
    22,520,132.39x = 31,071,822.08 × 13,224,731.09
  4. Step 4: Simplify right side
    22,520,132.39x = 410,916,491,262,841.75
  5. Step 5: Solve for x
    x = 410,916,491,262,841.75/22,520,132.39
  6. Step 6: Final answer
    x = 18,246,628.58

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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.