Home / 39,864,532.89-55,011,850.76-21,982,743.69

Finding the Fourth Proportional to 39,864,532.89, 55,011,850.76 and 21,982,743.69

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Solution

The fourth proportional to 39,864,532.89, 55,011,850.76 and 21,982,743.69 is: 30,335,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,864,532.89 : 55,011,850.76 = 21,982,743.69 : x
  2. Step 2: Convert to fraction form
    39,864,532.89/55,011,850.76 = 21,982,743.69/x
  3. Step 3: Cross multiply
    39,864,532.89x = 55,011,850.76 × 21,982,743.69
  4. Step 4: Simplify right side
    39,864,532.89x = 1,209,311,415,059,698
  5. Step 5: Solve for x
    x = 1,209,311,415,059,698/39,864,532.89
  6. Step 6: Final answer
    x = 30,335,522.01

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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.