Home / 11,821,376.12-17,732,064.20-9,129,627.48

Finding the Fourth Proportional to 11,821,376.12, 17,732,064.20 and 9,129,627.48

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Solution

The fourth proportional to 11,821,376.12, 17,732,064.20 and 9,129,627.48 is: 13,694,441.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821,376.12 : 17,732,064.20 = 9,129,627.48 : x
  2. Step 2: Convert to fraction form
    11,821,376.12/17,732,064.20 = 9,129,627.48/x
  3. Step 3: Cross multiply
    11,821,376.12x = 17,732,064.20 × 9,129,627.48
  4. Step 4: Simplify right side
    11,821,376.12x = 161,887,140,597,444.22
  5. Step 5: Solve for x
    x = 161,887,140,597,444.22/11,821,376.12
  6. Step 6: Final answer
    x = 13,694,441.24

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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.