Home / 22,771,344.20-31,424,809.29-12,458,239.52

Finding the Fourth Proportional to 22,771,344.20, 31,424,809.29 and 12,458,239.52

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Solution

The fourth proportional to 22,771,344.20, 31,424,809.29 and 12,458,239.52 is: 17,192,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,771,344.20 : 31,424,809.29 = 12,458,239.52 : x
  2. Step 2: Convert to fraction form
    22,771,344.20/31,424,809.29 = 12,458,239.52/x
  3. Step 3: Cross multiply
    22,771,344.20x = 31,424,809.29 × 12,458,239.52
  4. Step 4: Simplify right side
    22,771,344.20x = 391,497,801,005,141.12
  5. Step 5: Solve for x
    x = 391,497,801,005,141.12/22,771,344.20
  6. Step 6: Final answer
    x = 17,192,564.37

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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.