Home / 19,147,105.54-28,678,434.62-15,826,753.54

Finding the Fourth Proportional to 19,147,105.54, 28,678,434.62 and 15,826,753.54

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Solution

The fourth proportional to 19,147,105.54, 28,678,434.62 and 15,826,753.54 is: 23,705,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147,105.54 : 28,678,434.62 = 15,826,753.54 : x
  2. Step 2: Convert to fraction form
    19,147,105.54/28,678,434.62 = 15,826,753.54/x
  3. Step 3: Cross multiply
    19,147,105.54x = 28,678,434.62 × 15,826,753.54
  4. Step 4: Simplify right side
    19,147,105.54x = 453,886,516,643,743.56
  5. Step 5: Solve for x
    x = 453,886,516,643,743.56/19,147,105.54
  6. Step 6: Final answer
    x = 23,705,228.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.