Home / 20,165,087.68-30,247,476-5,018,917.12

Finding the Fourth Proportional to 20,165,087.68, 30,247,476 and 5,018,917.12

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Solution

The fourth proportional to 20,165,087.68, 30,247,476 and 5,018,917.12 is: 7,528,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,087.68 : 30,247,476 = 5,018,917.12 : x
  2. Step 2: Convert to fraction form
    20,165,087.68/30,247,476 = 5,018,917.12/x
  3. Step 3: Cross multiply
    20,165,087.68x = 30,247,476 × 5,018,917.12
  4. Step 4: Simplify right side
    20,165,087.68x = 151,809,575,133,189.12
  5. Step 5: Solve for x
    x = 151,809,575,133,189.12/20,165,087.68
  6. Step 6: Final answer
    x = 7,528,336.97

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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.