Home / 20,592,291.87-30,876,326.28-7,813,694.61

Finding the Fourth Proportional to 20,592,291.87, 30,876,326.28 and 7,813,694.61

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Solution

The fourth proportional to 20,592,291.87, 30,876,326.28 and 7,813,694.61 is: 11,715,946.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592,291.87 : 30,876,326.28 = 7,813,694.61 : x
  2. Step 2: Convert to fraction form
    20,592,291.87/30,876,326.28 = 7,813,694.61/x
  3. Step 3: Cross multiply
    20,592,291.87x = 30,876,326.28 × 7,813,694.61
  4. Step 4: Simplify right side
    20,592,291.87x = 241,258,184,230,637.38
  5. Step 5: Solve for x
    x = 241,258,184,230,637.38/20,592,291.87
  6. Step 6: Final answer
    x = 11,715,946.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.