Home / 8,971,552.99-12,380,585.16-5,103,991.72

Finding the Fourth Proportional to 8,971,552.99, 12,380,585.16 and 5,103,991.72

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Solution

The fourth proportional to 8,971,552.99, 12,380,585.16 and 5,103,991.72 is: 7,043,418.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971,552.99 : 12,380,585.16 = 5,103,991.72 : x
  2. Step 2: Convert to fraction form
    8,971,552.99/12,380,585.16 = 5,103,991.72/x
  3. Step 3: Cross multiply
    8,971,552.99x = 12,380,585.16 × 5,103,991.72
  4. Step 4: Simplify right side
    8,971,552.99x = 63,190,404,145,394.88
  5. Step 5: Solve for x
    x = 63,190,404,145,394.88/8,971,552.99
  6. Step 6: Final answer
    x = 7,043,418.71

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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.