Home / 20,514,583.38-28,310,824.50-11,695,338.84

Finding the Fourth Proportional to 20,514,583.38, 28,310,824.50 and 11,695,338.84

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Solution

The fourth proportional to 20,514,583.38, 28,310,824.50 and 11,695,338.84 is: 16,139,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514,583.38 : 28,310,824.50 = 11,695,338.84 : x
  2. Step 2: Convert to fraction form
    20,514,583.38/28,310,824.50 = 11,695,338.84/x
  3. Step 3: Cross multiply
    20,514,583.38x = 28,310,824.50 × 11,695,338.84
  4. Step 4: Simplify right side
    20,514,583.38x = 331,104,685,367,273.56
  5. Step 5: Solve for x
    x = 331,104,685,367,273.56/20,514,583.38
  6. Step 6: Final answer
    x = 16,139,966.35

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1.5x scale

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.