Home / 18,069,268.30-27,103,901.70-5,289,772.97

Finding the Fourth Proportional to 18,069,268.30, 27,103,901.70 and 5,289,772.97

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Solution

The fourth proportional to 18,069,268.30, 27,103,901.70 and 5,289,772.97 is: 7,934,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069,268.30 : 27,103,901.70 = 5,289,772.97 : x
  2. Step 2: Convert to fraction form
    18,069,268.30/27,103,901.70 = 5,289,772.97/x
  3. Step 3: Cross multiply
    18,069,268.30x = 27,103,901.70 × 5,289,772.97
  4. Step 4: Simplify right side
    18,069,268.30x = 143,373,486,594,197.03
  5. Step 5: Solve for x
    x = 143,373,486,594,197.03/18,069,268.30
  6. Step 6: Final answer
    x = 7,934,659.24

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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.