Home / 18,951,339.57-26,129,150.85-15,816,112.77

Finding the Fourth Proportional to 18,951,339.57, 26,129,150.85 and 15,816,112.77

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Solution

The fourth proportional to 18,951,339.57, 26,129,150.85 and 15,816,112.77 is: 21,806,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951,339.57 : 26,129,150.85 = 15,816,112.77 : x
  2. Step 2: Convert to fraction form
    18,951,339.57/26,129,150.85 = 15,816,112.77/x
  3. Step 3: Cross multiply
    18,951,339.57x = 26,129,150.85 × 15,816,112.77
  4. Step 4: Simplify right side
    18,951,339.57x = 413,261,596,427,941.38
  5. Step 5: Solve for x
    x = 413,261,596,427,941.38/18,951,339.57
  6. Step 6: Final answer
    x = 21,806,458.32

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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.