Home / 11,820,636.72-17,731,961.10-3,731,448.60

Finding the Fourth Proportional to 11,820,636.72, 17,731,961.10 and 3,731,448.60

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Solution

The fourth proportional to 11,820,636.72, 17,731,961.10 and 3,731,448.60 is: 5,597,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,820,636.72 : 17,731,961.10 = 3,731,448.60 : x
  2. Step 2: Convert to fraction form
    11,820,636.72/17,731,961.10 = 3,731,448.60/x
  3. Step 3: Cross multiply
    11,820,636.72x = 17,731,961.10 × 3,731,448.60
  4. Step 4: Simplify right side
    11,820,636.72x = 66,165,901,421,849.47
  5. Step 5: Solve for x
    x = 66,165,901,421,849.47/11,820,636.72
  6. Step 6: Final answer
    x = 5,597,490.47

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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.