Home / 27,259,292.80-40,888,939.20-19,606,542.40

Finding the Fourth Proportional to 27,259,292.80, 40,888,939.20 and 19,606,542.40

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Solution

The fourth proportional to 27,259,292.80, 40,888,939.20 and 19,606,542.40 is: 29,409,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,259,292.80 : 40,888,939.20 = 19,606,542.40 : x
  2. Step 2: Convert to fraction form
    27,259,292.80/40,888,939.20 = 19,606,542.40/x
  3. Step 3: Cross multiply
    27,259,292.80x = 40,888,939.20 × 19,606,542.40
  4. Step 4: Simplify right side
    27,259,292.80x = 801,690,720,115,822.12
  5. Step 5: Solve for x
    x = 801,690,720,115,822.12/27,259,292.80
  6. Step 6: Final answer
    x = 29,409,813.60

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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.