Home / 20,633,934.38-28,444,818.51-14,419,688.09

Finding the Fourth Proportional to 20,633,934.38, 28,444,818.51 and 14,419,688.09

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Solution

The fourth proportional to 20,633,934.38, 28,444,818.51 and 14,419,688.09 is: 19,878,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633,934.38 : 28,444,818.51 = 14,419,688.09 : x
  2. Step 2: Convert to fraction form
    20,633,934.38/28,444,818.51 = 14,419,688.09/x
  3. Step 3: Cross multiply
    20,633,934.38x = 28,444,818.51 × 14,419,688.09
  4. Step 4: Simplify right side
    20,633,934.38x = 410,165,410,548,634.50
  5. Step 5: Solve for x
    x = 410,165,410,548,634.50/20,633,934.38
  6. Step 6: Final answer
    x = 19,878,196.91

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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.