Home / 11,005,209.60-16,507,814.40-8,485,785.60

Finding the Fourth Proportional to 11,005,209.60, 16,507,814.40 and 8,485,785.60

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Solution

The fourth proportional to 11,005,209.60, 16,507,814.40 and 8,485,785.60 is: 12,728,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005,209.60 : 16,507,814.40 = 8,485,785.60 : x
  2. Step 2: Convert to fraction form
    11,005,209.60/16,507,814.40 = 8,485,785.60/x
  3. Step 3: Cross multiply
    11,005,209.60x = 16,507,814.40 × 8,485,785.60
  4. Step 4: Simplify right side
    11,005,209.60x = 140,081,773,722,992.64
  5. Step 5: Solve for x
    x = 140,081,773,722,992.64/11,005,209.60
  6. Step 6: Final answer
    x = 12,728,678.40

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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.