Home / 37,489,703.52-51,746,789.34-21,812,415.60

Finding the Fourth Proportional to 37,489,703.52, 51,746,789.34 and 21,812,415.60

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Solution

The fourth proportional to 37,489,703.52, 51,746,789.34 and 21,812,415.60 is: 30,107,532.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,489,703.52 : 51,746,789.34 = 21,812,415.60 : x
  2. Step 2: Convert to fraction form
    37,489,703.52/51,746,789.34 = 21,812,415.60/x
  3. Step 3: Cross multiply
    37,489,703.52x = 51,746,789.34 × 21,812,415.60
  4. Step 4: Simplify right side
    37,489,703.52x = 1,128,722,475,049,729.75
  5. Step 5: Solve for x
    x = 1,128,722,475,049,729.75/37,489,703.52
  6. Step 6: Final answer
    x = 30,107,532.71

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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.