Home / 22,985,472.39-31,718,517-12,672,195.48

Finding the Fourth Proportional to 22,985,472.39, 31,718,517 and 12,672,195.48

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Solution

The fourth proportional to 22,985,472.39, 31,718,517 and 12,672,195.48 is: 17,486,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985,472.39 : 31,718,517 = 12,672,195.48 : x
  2. Step 2: Convert to fraction form
    22,985,472.39/31,718,517 = 12,672,195.48/x
  3. Step 3: Cross multiply
    22,985,472.39x = 31,718,517 × 12,672,195.48
  4. Step 4: Simplify right side
    22,985,472.39x = 401,943,247,759,703.19
  5. Step 5: Solve for x
    x = 401,943,247,759,703.19/22,985,472.39
  6. Step 6: Final answer
    x = 17,486,838.68

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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.