Home / 11,178,311.80-16,787,742.90-9,784,852.60

Finding the Fourth Proportional to 11,178,311.80, 16,787,742.90 and 9,784,852.60

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Solution

The fourth proportional to 11,178,311.80, 16,787,742.90 and 9,784,852.60 is: 14,695,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,311.80 : 16,787,742.90 = 9,784,852.60 : x
  2. Step 2: Convert to fraction form
    11,178,311.80/16,787,742.90 = 9,784,852.60/x
  3. Step 3: Cross multiply
    11,178,311.80x = 16,787,742.90 × 9,784,852.60
  4. Step 4: Simplify right side
    11,178,311.80x = 164,265,589,763,196.53
  5. Step 5: Solve for x
    x = 164,265,589,763,196.53/11,178,311.80
  6. Step 6: Final answer
    x = 14,695,026.65

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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.