Home / 8,143,564.01-12,215,339.05-2,078,295.24

Finding the Fourth Proportional to 8,143,564.01, 12,215,339.05 and 2,078,295.24

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Solution

The fourth proportional to 8,143,564.01, 12,215,339.05 and 2,078,295.24 is: 3,117,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,564.01 : 12,215,339.05 = 2,078,295.24 : x
  2. Step 2: Convert to fraction form
    8,143,564.01/12,215,339.05 = 2,078,295.24/x
  3. Step 3: Cross multiply
    8,143,564.01x = 12,215,339.05 × 2,078,295.24
  4. Step 4: Simplify right side
    8,143,564.01x = 25,387,081,002,601.12
  5. Step 5: Solve for x
    x = 25,387,081,002,601.12/8,143,564.01
  6. Step 6: Final answer
    x = 3,117,441.08

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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.