Home / 28,666,799.91-39,568,828.59-19,504,757.07

Finding the Fourth Proportional to 28,666,799.91, 39,568,828.59 and 19,504,757.07

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Solution

The fourth proportional to 28,666,799.91, 39,568,828.59 and 19,504,757.07 is: 26,922,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,666,799.91 : 39,568,828.59 = 19,504,757.07 : x
  2. Step 2: Convert to fraction form
    28,666,799.91/39,568,828.59 = 19,504,757.07/x
  3. Step 3: Cross multiply
    28,666,799.91x = 39,568,828.59 × 19,504,757.07
  4. Step 4: Simplify right side
    28,666,799.91x = 771,780,389,192,420.75
  5. Step 5: Solve for x
    x = 771,780,389,192,420.75/28,666,799.91
  6. Step 6: Final answer
    x = 26,922,446.58

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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.