Home / 31,121,839.70-46,685,001.56-11,952,596.78

Finding the Fourth Proportional to 31,121,839.70, 46,685,001.56 and 11,952,596.78

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Solution

The fourth proportional to 31,121,839.70, 46,685,001.56 and 11,952,596.78 is: 17,929,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,121,839.70 : 46,685,001.56 = 11,952,596.78 : x
  2. Step 2: Convert to fraction form
    31,121,839.70/46,685,001.56 = 11,952,596.78/x
  3. Step 3: Cross multiply
    31,121,839.70x = 46,685,001.56 × 11,952,596.78
  4. Step 4: Simplify right side
    31,121,839.70x = 558,006,999,027,163
  5. Step 5: Solve for x
    x = 558,006,999,027,163/31,121,839.70
  6. Step 6: Final answer
    x = 17,929,756.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.