Home / 8,143,571.04-12,215,349.62-2,078,302.29

Finding the Fourth Proportional to 8,143,571.04, 12,215,349.62 and 2,078,302.29

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Solution

The fourth proportional to 8,143,571.04, 12,215,349.62 and 2,078,302.29 is: 3,117,451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,571.04 : 12,215,349.62 = 2,078,302.29 : x
  2. Step 2: Convert to fraction form
    8,143,571.04/12,215,349.62 = 2,078,302.29/x
  3. Step 3: Cross multiply
    8,143,571.04x = 12,215,349.62 × 2,078,302.29
  4. Step 4: Simplify right side
    8,143,571.04x = 25,387,189,085,798.75
  5. Step 5: Solve for x
    x = 25,387,189,085,798.75/8,143,571.04
  6. Step 6: Final answer
    x = 3,117,451.66

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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.