Home / 23,179,941.25-31,986,717.75-12,865,852.42

Finding the Fourth Proportional to 23,179,941.25, 31,986,717.75 and 12,865,852.42

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Solution

The fourth proportional to 23,179,941.25, 31,986,717.75 and 12,865,852.42 is: 17,753,987.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,179,941.25 : 31,986,717.75 = 12,865,852.42 : x
  2. Step 2: Convert to fraction form
    23,179,941.25/31,986,717.75 = 12,865,852.42/x
  3. Step 3: Cross multiply
    23,179,941.25x = 31,986,717.75 × 12,865,852.42
  4. Step 4: Simplify right side
    23,179,941.25x = 411,536,389,891,727.69
  5. Step 5: Solve for x
    x = 411,536,389,891,727.69/23,179,941.25
  6. Step 6: Final answer
    x = 17,753,987.62

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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.