Home / 10,991,716.70-16,487,575.05-4,609,175.90

Finding the Fourth Proportional to 10,991,716.70, 16,487,575.05 and 4,609,175.90

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Solution

The fourth proportional to 10,991,716.70, 16,487,575.05 and 4,609,175.90 is: 6,913,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991,716.70 : 16,487,575.05 = 4,609,175.90 : x
  2. Step 2: Convert to fraction form
    10,991,716.70/16,487,575.05 = 4,609,175.90/x
  3. Step 3: Cross multiply
    10,991,716.70x = 16,487,575.05 × 4,609,175.90
  4. Step 4: Simplify right side
    10,991,716.70x = 75,994,133,569,901.30
  5. Step 5: Solve for x
    x = 75,994,133,569,901.30/10,991,716.70
  6. Step 6: Final answer
    x = 6,913,763.85

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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.