Home / 28,385,498.39-39,172,003.54-15,332,757.43

Finding the Fourth Proportional to 28,385,498.39, 39,172,003.54 and 15,332,757.43

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Solution

The fourth proportional to 28,385,498.39, 39,172,003.54 and 15,332,757.43 is: 21,159,213.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,385,498.39 : 39,172,003.54 = 15,332,757.43 : x
  2. Step 2: Convert to fraction form
    28,385,498.39/39,172,003.54 = 15,332,757.43/x
  3. Step 3: Cross multiply
    28,385,498.39x = 39,172,003.54 × 15,332,757.43
  4. Step 4: Simplify right side
    28,385,498.39x = 600,614,828,336,554.50
  5. Step 5: Solve for x
    x = 600,614,828,336,554.50/28,385,498.39
  6. Step 6: Final answer
    x = 21,159,213.77

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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.