Home / 20,180,836.88-27,850,460.40-11,363,320.34

Finding the Fourth Proportional to 20,180,836.88, 27,850,460.40 and 11,363,320.34

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Solution

The fourth proportional to 20,180,836.88, 27,850,460.40 and 11,363,320.34 is: 15,681,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,836.88 : 27,850,460.40 = 11,363,320.34 : x
  2. Step 2: Convert to fraction form
    20,180,836.88/27,850,460.40 = 11,363,320.34/x
  3. Step 3: Cross multiply
    20,180,836.88x = 27,850,460.40 × 11,363,320.34
  4. Step 4: Simplify right side
    20,180,836.88x = 316,473,703,002,432.25
  5. Step 5: Solve for x
    x = 316,473,703,002,432.25/20,180,836.88
  6. Step 6: Final answer
    x = 15,681,891.93

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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.