Home / 31,586,010.09-47,379,015.18-11,391,252.09

Finding the Fourth Proportional to 31,586,010.09, 47,379,015.18 and 11,391,252.09

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Solution

The fourth proportional to 31,586,010.09, 47,379,015.18 and 11,391,252.09 is: 17,086,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586,010.09 : 47,379,015.18 = 11,391,252.09 : x
  2. Step 2: Convert to fraction form
    31,586,010.09/47,379,015.18 = 11,391,252.09/x
  3. Step 3: Cross multiply
    31,586,010.09x = 47,379,015.18 × 11,391,252.09
  4. Step 4: Simplify right side
    31,586,010.09x = 539,706,305,691,316.69
  5. Step 5: Solve for x
    x = 539,706,305,691,316.69/31,586,010.09
  6. Step 6: Final answer
    x = 17,086,878.15

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1.5x scale

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.