Home / 39,967,407.91-55,155,189.00-21,632,693.41

Finding the Fourth Proportional to 39,967,407.91, 55,155,189.00 and 21,632,693.41

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Solution

The fourth proportional to 39,967,407.91, 55,155,189.00 and 21,632,693.41 is: 29,853,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967,407.91 : 55,155,189.00 = 21,632,693.41 : x
  2. Step 2: Convert to fraction form
    39,967,407.91/55,155,189.00 = 21,632,693.41/x
  3. Step 3: Cross multiply
    39,967,407.91x = 55,155,189.00 × 21,632,693.41
  4. Step 4: Simplify right side
    39,967,407.91x = 1,193,155,293,760,689.75
  5. Step 5: Solve for x
    x = 1,193,155,293,760,689.75/39,967,407.91
  6. Step 6: Final answer
    x = 29,853,206.80

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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.