Home / 11,754,659.70-17,631,989.55-3,118,743.45

Finding the Fourth Proportional to 11,754,659.70, 17,631,989.55 and 3,118,743.45

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Solution

The fourth proportional to 11,754,659.70, 17,631,989.55 and 3,118,743.45 is: 4,678,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754,659.70 : 17,631,989.55 = 3,118,743.45 : x
  2. Step 2: Convert to fraction form
    11,754,659.70/17,631,989.55 = 3,118,743.45/x
  3. Step 3: Cross multiply
    11,754,659.70x = 17,631,989.55 × 3,118,743.45
  4. Step 4: Simplify right side
    11,754,659.70x = 54,989,651,919,530.95
  5. Step 5: Solve for x
    x = 54,989,651,919,530.95/11,754,659.70
  6. Step 6: Final answer
    x = 4,678,115.18

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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.