Home / 8,492,601.42-11,720,121.75-4,821,859.64

Finding the Fourth Proportional to 8,492,601.42, 11,720,121.75 and 4,821,859.64

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Solution

The fourth proportional to 8,492,601.42, 11,720,121.75 and 4,821,859.64 is: 6,654,354.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492,601.42 : 11,720,121.75 = 4,821,859.64 : x
  2. Step 2: Convert to fraction form
    8,492,601.42/11,720,121.75 = 4,821,859.64/x
  3. Step 3: Cross multiply
    8,492,601.42x = 11,720,121.75 × 4,821,859.64
  4. Step 4: Simplify right side
    8,492,601.42x = 56,512,782,071,511.48
  5. Step 5: Solve for x
    x = 56,512,782,071,511.48/8,492,601.42
  6. Step 6: Final answer
    x = 6,654,354.69

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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.