Home / 8,579,277.86-12,868,906.44-2,189,530.94

Finding the Fourth Proportional to 8,579,277.86, 12,868,906.44 and 2,189,530.94

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Solution

The fourth proportional to 8,579,277.86, 12,868,906.44 and 2,189,530.94 is: 3,284,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,277.86 : 12,868,906.44 = 2,189,530.94 : x
  2. Step 2: Convert to fraction form
    8,579,277.86/12,868,906.44 = 2,189,530.94/x
  3. Step 3: Cross multiply
    8,579,277.86x = 12,868,906.44 × 2,189,530.94
  4. Step 4: Simplify right side
    8,579,277.86x = 28,176,868,814,345.25
  5. Step 5: Solve for x
    x = 28,176,868,814,345.25/8,579,277.86
  6. Step 6: Final answer
    x = 3,284,293.77

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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.