Home / 39,001,414.94-53,821,904.05-21,597,739.15

Finding the Fourth Proportional to 39,001,414.94, 53,821,904.05 and 21,597,739.15

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Solution

The fourth proportional to 39,001,414.94, 53,821,904.05 and 21,597,739.15 is: 29,804,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001,414.94 : 53,821,904.05 = 21,597,739.15 : x
  2. Step 2: Convert to fraction form
    39,001,414.94/53,821,904.05 = 21,597,739.15/x
  3. Step 3: Cross multiply
    39,001,414.94x = 53,821,904.05 × 21,597,739.15
  4. Step 4: Simplify right side
    39,001,414.94x = 1,162,431,444,228,228.50
  5. Step 5: Solve for x
    x = 1,162,431,444,228,228.50/39,001,414.94
  6. Step 6: Final answer
    x = 29,804,853.13

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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.