Home / 35,221,339.52-48,599,967.14-20,133,372.57

Finding the Fourth Proportional to 35,221,339.52, 48,599,967.14 and 20,133,372.57

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Solution

The fourth proportional to 35,221,339.52, 48,599,967.14 and 20,133,372.57 is: 27,780,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,221,339.52 : 48,599,967.14 = 20,133,372.57 : x
  2. Step 2: Convert to fraction form
    35,221,339.52/48,599,967.14 = 20,133,372.57/x
  3. Step 3: Cross multiply
    35,221,339.52x = 48,599,967.14 × 20,133,372.57
  4. Step 4: Simplify right side
    35,221,339.52x = 978,481,245,434,815
  5. Step 5: Solve for x
    x = 978,481,245,434,815/35,221,339.52
  6. Step 6: Final answer
    x = 27,780,920.85

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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.