Home / 20,953,722.33-28,914,573.65-11,784,593.61

Finding the Fourth Proportional to 20,953,722.33, 28,914,573.65 and 11,784,593.61

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Solution

The fourth proportional to 20,953,722.33, 28,914,573.65 and 11,784,593.61 is: 16,261,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,953,722.33 : 28,914,573.65 = 11,784,593.61 : x
  2. Step 2: Convert to fraction form
    20,953,722.33/28,914,573.65 = 11,784,593.61/x
  3. Step 3: Cross multiply
    20,953,722.33x = 28,914,573.65 × 11,784,593.61
  4. Step 4: Simplify right side
    20,953,722.33x = 340,746,499,812,741.38
  5. Step 5: Solve for x
    x = 340,746,499,812,741.38/20,953,722.33
  6. Step 6: Final answer
    x = 16,261,860.04

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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.