Home / 11,656,905.60-17,485,358.40-8,255,683.20

Finding the Fourth Proportional to 11,656,905.60, 17,485,358.40 and 8,255,683.20

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Solution

The fourth proportional to 11,656,905.60, 17,485,358.40 and 8,255,683.20 is: 12,383,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656,905.60 : 17,485,358.40 = 8,255,683.20 : x
  2. Step 2: Convert to fraction form
    11,656,905.60/17,485,358.40 = 8,255,683.20/x
  3. Step 3: Cross multiply
    11,656,905.60x = 17,485,358.40 × 8,255,683.20
  4. Step 4: Simplify right side
    11,656,905.60x = 144,353,579,588,858.88
  5. Step 5: Solve for x
    x = 144,353,579,588,858.88/11,656,905.60
  6. Step 6: Final answer
    x = 12,383,524.80

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1.5x scale

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.