Home / 18,208,177.68-27,294,514.86-7,275,108.20

Finding the Fourth Proportional to 18,208,177.68, 27,294,514.86 and 7,275,108.20

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Solution

The fourth proportional to 18,208,177.68, 27,294,514.86 and 7,275,108.20 is: 10,905,569.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,177.68 : 27,294,514.86 = 7,275,108.20 : x
  2. Step 2: Convert to fraction form
    18,208,177.68/27,294,514.86 = 7,275,108.20/x
  3. Step 3: Cross multiply
    18,208,177.68x = 27,294,514.86 × 7,275,108.20
  4. Step 4: Simplify right side
    18,208,177.68x = 198,570,548,873,007.84
  5. Step 5: Solve for x
    x = 198,570,548,873,007.84/18,208,177.68
  6. Step 6: Final answer
    x = 10,905,569.59

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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.