Home / 11,754,625.45-17,631,938.18-3,118,709.20

Finding the Fourth Proportional to 11,754,625.45, 17,631,938.18 and 3,118,709.20

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Solution

The fourth proportional to 11,754,625.45, 17,631,938.18 and 3,118,709.20 is: 4,678,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754,625.45 : 17,631,938.18 = 3,118,709.20 : x
  2. Step 2: Convert to fraction form
    11,754,625.45/17,631,938.18 = 3,118,709.20/x
  3. Step 3: Cross multiply
    11,754,625.45x = 17,631,938.18 × 3,118,709.20
  4. Step 4: Simplify right side
    11,754,625.45x = 54,988,887,815,797.26
  5. Step 5: Solve for x
    x = 54,988,887,815,797.26/11,754,625.45
  6. Step 6: Final answer
    x = 4,678,063.80

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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.