Home / 8,563,720.61-11,817,921.66-4,643,469.61

Finding the Fourth Proportional to 8,563,720.61, 11,817,921.66 and 4,643,469.61

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Solution

The fourth proportional to 8,563,720.61, 11,817,921.66 and 4,643,469.61 is: 6,407,981.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563,720.61 : 11,817,921.66 = 4,643,469.61 : x
  2. Step 2: Convert to fraction form
    8,563,720.61/11,817,921.66 = 4,643,469.61/x
  3. Step 3: Cross multiply
    8,563,720.61x = 11,817,921.66 × 4,643,469.61
  4. Step 4: Simplify right side
    8,563,720.61x = 54,876,160,082,022.23
  5. Step 5: Solve for x
    x = 54,876,160,082,022.23/8,563,720.61
  6. Step 6: Final answer
    x = 6,407,981.13

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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.