Home / 20,717,608.91-28,581,230.36-19,757,078.51

Finding the Fourth Proportional to 20,717,608.91, 28,581,230.36 and 19,757,078.51

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Solution

The fourth proportional to 20,717,608.91, 28,581,230.36 and 19,757,078.51 is: 27,256,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717,608.91 : 28,581,230.36 = 19,757,078.51 : x
  2. Step 2: Convert to fraction form
    20,717,608.91/28,581,230.36 = 19,757,078.51/x
  3. Step 3: Cross multiply
    20,717,608.91x = 28,581,230.36 × 19,757,078.51
  4. Step 4: Simplify right side
    20,717,608.91x = 564,681,612,041,402.12
  5. Step 5: Solve for x
    x = 564,681,612,041,402.12/20,717,608.91
  6. Step 6: Final answer
    x = 27,256,118.92

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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.