Home / 25,434,839.88-35,107,982.28-20,217,106.49

Finding the Fourth Proportional to 25,434,839.88, 35,107,982.28 and 20,217,106.49

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Solution

The fourth proportional to 25,434,839.88, 35,107,982.28 and 20,217,106.49 is: 27,905,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,434,839.88 : 35,107,982.28 = 20,217,106.49 : x
  2. Step 2: Convert to fraction form
    25,434,839.88/35,107,982.28 = 20,217,106.49/x
  3. Step 3: Cross multiply
    25,434,839.88x = 35,107,982.28 × 20,217,106.49
  4. Step 4: Simplify right side
    25,434,839.88x = 709,781,816,228,253.12
  5. Step 5: Solve for x
    x = 709,781,816,228,253.12/25,434,839.88
  6. Step 6: Final answer
    x = 27,905,888.91

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1.5x scale

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.