Home / 7,682,582.76-11,520,462.39-4,087,592.16

Finding the Fourth Proportional to 7,682,582.76, 11,520,462.39 and 4,087,592.16

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Solution

The fourth proportional to 7,682,582.76, 11,520,462.39 and 4,087,592.16 is: 6,129,572.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682,582.76 : 11,520,462.39 = 4,087,592.16 : x
  2. Step 2: Convert to fraction form
    7,682,582.76/11,520,462.39 = 4,087,592.16/x
  3. Step 3: Cross multiply
    7,682,582.76x = 11,520,462.39 × 4,087,592.16
  4. Step 4: Simplify right side
    7,682,582.76x = 47,090,951,744,938.87
  5. Step 5: Solve for x
    x = 47,090,951,744,938.87/7,682,582.76
  6. Step 6: Final answer
    x = 6,129,572.99

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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.