Home / 11,005,261.60-16,507,892.40-8,485,837.60

Finding the Fourth Proportional to 11,005,261.60, 16,507,892.40 and 8,485,837.60

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Solution

The fourth proportional to 11,005,261.60, 16,507,892.40 and 8,485,837.60 is: 12,728,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005,261.60 : 16,507,892.40 = 8,485,837.60 : x
  2. Step 2: Convert to fraction form
    11,005,261.60/16,507,892.40 = 8,485,837.60/x
  3. Step 3: Cross multiply
    11,005,261.60x = 16,507,892.40 × 8,485,837.60
  4. Step 4: Simplify right side
    11,005,261.60x = 140,083,294,024,674.23
  5. Step 5: Solve for x
    x = 140,083,294,024,674.23/11,005,261.60
  6. Step 6: Final answer
    x = 12,728,756.40

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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.