Home / 11,005,237.20-16,507,855.80-8,317,851.60

Finding the Fourth Proportional to 11,005,237.20, 16,507,855.80 and 8,317,851.60

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Solution

The fourth proportional to 11,005,237.20, 16,507,855.80 and 8,317,851.60 is: 12,476,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005,237.20 : 16,507,855.80 = 8,317,851.60 : x
  2. Step 2: Convert to fraction form
    11,005,237.20/16,507,855.80 = 8,317,851.60/x
  3. Step 3: Cross multiply
    11,005,237.20x = 16,507,855.80 × 8,317,851.60
  4. Step 4: Simplify right side
    11,005,237.20x = 137,309,894,778,599.28
  5. Step 5: Solve for x
    x = 137,309,894,778,599.28/11,005,237.20
  6. Step 6: Final answer
    x = 12,476,777.40

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Similar ratio
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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.