Home / 18,170,103.51-27,255,155.27-7,384,877.46

Finding the Fourth Proportional to 18,170,103.51, 27,255,155.27 and 7,384,877.46

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Solution

The fourth proportional to 18,170,103.51, 27,255,155.27 and 7,384,877.46 is: 11,077,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170,103.51 : 27,255,155.27 = 7,384,877.46 : x
  2. Step 2: Convert to fraction form
    18,170,103.51/27,255,155.27 = 7,384,877.46/x
  3. Step 3: Cross multiply
    18,170,103.51x = 27,255,155.27 × 7,384,877.46
  4. Step 4: Simplify right side
    18,170,103.51x = 201,275,981,785,298.84
  5. Step 5: Solve for x
    x = 201,275,981,785,298.84/18,170,103.51
  6. Step 6: Final answer
    x = 11,077,316.19

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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.