Home / 21,086,827.22-31,631,628.71-5,525,036.85

Finding the Fourth Proportional to 21,086,827.22, 31,631,628.71 and 5,525,036.85

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Solution

The fourth proportional to 21,086,827.22, 31,631,628.71 and 5,525,036.85 is: 8,287,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,086,827.22 : 31,631,628.71 = 5,525,036.85 : x
  2. Step 2: Convert to fraction form
    21,086,827.22/31,631,628.71 = 5,525,036.85/x
  3. Step 3: Cross multiply
    21,086,827.22x = 31,631,628.71 × 5,525,036.85
  4. Step 4: Simplify right side
    21,086,827.22x = 174,765,914,220,642.75
  5. Step 5: Solve for x
    x = 174,765,914,220,642.75/21,086,827.22
  6. Step 6: Final answer
    x = 8,287,918.92

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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.