Home / 20,953,732.83-28,914,588.12-11,784,604.11

Finding the Fourth Proportional to 20,953,732.83, 28,914,588.12 and 11,784,604.11

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Solution

The fourth proportional to 20,953,732.83, 28,914,588.12 and 11,784,604.11 is: 16,261,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,953,732.83 : 28,914,588.12 = 11,784,604.11 : x
  2. Step 2: Convert to fraction form
    20,953,732.83/28,914,588.12 = 11,784,604.11/x
  3. Step 3: Cross multiply
    20,953,732.83x = 28,914,588.12 × 11,784,604.11
  4. Step 4: Simplify right side
    20,953,732.83x = 340,746,973,997,909.19
  5. Step 5: Solve for x
    x = 340,746,973,997,909.19/20,953,732.83
  6. Step 6: Final answer
    x = 16,261,874.52

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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.