Home / 27,124,112.80-40,673,338.80-15,768,042.40

Finding the Fourth Proportional to 27,124,112.80, 40,673,338.80 and 15,768,042.40

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Solution

The fourth proportional to 27,124,112.80, 40,673,338.80 and 15,768,042.40 is: 23,644,604.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,124,112.80 : 40,673,338.80 = 15,768,042.40 : x
  2. Step 2: Convert to fraction form
    27,124,112.80/40,673,338.80 = 15,768,042.40/x
  3. Step 3: Cross multiply
    27,124,112.80x = 40,673,338.80 × 15,768,042.40
  4. Step 4: Simplify right side
    27,124,112.80x = 641,338,930,747,965.12
  5. Step 5: Solve for x
    x = 641,338,930,747,965.12/27,124,112.80
  6. Step 6: Final answer
    x = 23,644,604.91

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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.