Home / 40,502,824.67-55,893,472.17-21,917,558

Finding the Fourth Proportional to 40,502,824.67, 55,893,472.17 and 21,917,558

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Solution

The fourth proportional to 40,502,824.67, 55,893,472.17 and 21,917,558 is: 30,245,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,502,824.67 : 55,893,472.17 = 21,917,558 : x
  2. Step 2: Convert to fraction form
    40,502,824.67/55,893,472.17 = 21,917,558/x
  3. Step 3: Cross multiply
    40,502,824.67x = 55,893,472.17 × 21,917,558
  4. Step 4: Simplify right side
    40,502,824.67x = 1,225,048,418,107,361
  5. Step 5: Solve for x
    x = 1,225,048,418,107,361/40,502,824.67
  6. Step 6: Final answer
    x = 30,245,999.58

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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.