Home / 11,071,639.20-16,607,458.80-8,237,287.20

Finding the Fourth Proportional to 11,071,639.20, 16,607,458.80 and 8,237,287.20

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Solution

The fourth proportional to 11,071,639.20, 16,607,458.80 and 8,237,287.20 is: 12,355,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071,639.20 : 16,607,458.80 = 8,237,287.20 : x
  2. Step 2: Convert to fraction form
    11,071,639.20/16,607,458.80 = 8,237,287.20/x
  3. Step 3: Cross multiply
    11,071,639.20x = 16,607,458.80 × 8,237,287.20
  4. Step 4: Simplify right side
    11,071,639.20x = 136,800,407,797,767.38
  5. Step 5: Solve for x
    x = 136,800,407,797,767.38/11,071,639.20
  6. Step 6: Final answer
    x = 12,355,930.80

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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.