Home / 11,469,638.94-15,820,043.22-7,548,145.62

Finding the Fourth Proportional to 11,469,638.94, 15,820,043.22 and 7,548,145.62

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Solution

The fourth proportional to 11,469,638.94, 15,820,043.22 and 7,548,145.62 is: 10,411,137.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469,638.94 : 15,820,043.22 = 7,548,145.62 : x
  2. Step 2: Convert to fraction form
    11,469,638.94/15,820,043.22 = 7,548,145.62/x
  3. Step 3: Cross multiply
    11,469,638.94x = 15,820,043.22 × 7,548,145.62
  4. Step 4: Simplify right side
    11,469,638.94x = 119,411,989,939,253.70
  5. Step 5: Solve for x
    x = 119,411,989,939,253.70/11,469,638.94
  6. Step 6: Final answer
    x = 10,411,137.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.