Home / 22,557,002.88-31,127,858.43-12,767,236.82

Finding the Fourth Proportional to 22,557,002.88, 31,127,858.43 and 12,767,236.82

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Solution

The fourth proportional to 22,557,002.88, 31,127,858.43 and 12,767,236.82 is: 17,618,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,557,002.88 : 31,127,858.43 = 12,767,236.82 : x
  2. Step 2: Convert to fraction form
    22,557,002.88/31,127,858.43 = 12,767,236.82/x
  3. Step 3: Cross multiply
    22,557,002.88x = 31,127,858.43 × 12,767,236.82
  4. Step 4: Simplify right side
    22,557,002.88x = 397,416,740,119,604.06
  5. Step 5: Solve for x
    x = 397,416,740,119,604.06/22,557,002.88
  6. Step 6: Final answer
    x = 17,618,330.87

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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.