Home / 19,018,763.91-28,527,091.79-13,906,432.71

Finding the Fourth Proportional to 19,018,763.91, 28,527,091.79 and 13,906,432.71

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Solution

The fourth proportional to 19,018,763.91, 28,527,091.79 and 13,906,432.71 is: 20,858,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018,763.91 : 28,527,091.79 = 13,906,432.71 : x
  2. Step 2: Convert to fraction form
    19,018,763.91/28,527,091.79 = 13,906,432.71/x
  3. Step 3: Cross multiply
    19,018,763.91x = 28,527,091.79 × 13,906,432.71
  4. Step 4: Simplify right side
    19,018,763.91x = 396,710,082,320,096.31
  5. Step 5: Solve for x
    x = 396,710,082,320,096.31/19,018,763.91
  6. Step 6: Final answer
    x = 20,858,878.33

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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.