Home / 13,540,643.88-20,311,097.10-3,443,264.88

Finding the Fourth Proportional to 13,540,643.88, 20,311,097.10 and 3,443,264.88

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Solution

The fourth proportional to 13,540,643.88, 20,311,097.10 and 3,443,264.88 is: 5,164,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540,643.88 : 20,311,097.10 = 3,443,264.88 : x
  2. Step 2: Convert to fraction form
    13,540,643.88/20,311,097.10 = 3,443,264.88/x
  3. Step 3: Cross multiply
    13,540,643.88x = 20,311,097.10 × 3,443,264.88
  4. Step 4: Simplify right side
    13,540,643.88x = 69,936,487,318,699.85
  5. Step 5: Solve for x
    x = 69,936,487,318,699.85/13,540,643.88
  6. Step 6: Final answer
    x = 5,164,930.70

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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.