Home / 12,096,727.20-18,145,090.80-11,172,938.40

Finding the Fourth Proportional to 12,096,727.20, 18,145,090.80 and 11,172,938.40

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Solution

The fourth proportional to 12,096,727.20, 18,145,090.80 and 11,172,938.40 is: 16,759,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,727.20 : 18,145,090.80 = 11,172,938.40 : x
  2. Step 2: Convert to fraction form
    12,096,727.20/18,145,090.80 = 11,172,938.40/x
  3. Step 3: Cross multiply
    12,096,727.20x = 18,145,090.80 × 11,172,938.40
  4. Step 4: Simplify right side
    12,096,727.20x = 202,733,981,770,806.75
  5. Step 5: Solve for x
    x = 202,733,981,770,806.75/12,096,727.20
  6. Step 6: Final answer
    x = 16,759,407.60

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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.