Home / 27,800,905.53-38,342,500.95-19,568,221.05

Finding the Fourth Proportional to 27,800,905.53, 38,342,500.95 and 19,568,221.05

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Solution

The fourth proportional to 27,800,905.53, 38,342,500.95 and 19,568,221.05 is: 26,988,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,800,905.53 : 38,342,500.95 = 19,568,221.05 : x
  2. Step 2: Convert to fraction form
    27,800,905.53/38,342,500.95 = 19,568,221.05/x
  3. Step 3: Cross multiply
    27,800,905.53x = 38,342,500.95 × 19,568,221.05
  4. Step 4: Simplify right side
    27,800,905.53x = 750,294,534,199,435.12
  5. Step 5: Solve for x
    x = 750,294,534,199,435.12/27,800,905.53
  6. Step 6: Final answer
    x = 26,988,132.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.