Home / 11,078,553.90-16,618,671.40-2,991,411.84

Finding the Fourth Proportional to 11,078,553.90, 16,618,671.40 and 2,991,411.84

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Solution

The fourth proportional to 11,078,553.90, 16,618,671.40 and 2,991,411.84 is: 4,487,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078,553.90 : 16,618,671.40 = 2,991,411.84 : x
  2. Step 2: Convert to fraction form
    11,078,553.90/16,618,671.40 = 2,991,411.84/x
  3. Step 3: Cross multiply
    11,078,553.90x = 16,618,671.40 × 2,991,411.84
  4. Step 4: Simplify right side
    11,078,553.90x = 49,713,290,391,029.38
  5. Step 5: Solve for x
    x = 49,713,290,391,029.38/11,078,553.90
  6. Step 6: Final answer
    x = 4,487,344.72

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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.