Home / 28,031,009.70-42,046,514.55-16,693,601.70

Finding the Fourth Proportional to 28,031,009.70, 42,046,514.55 and 16,693,601.70

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Solution

The fourth proportional to 28,031,009.70, 42,046,514.55 and 16,693,601.70 is: 25,040,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031,009.70 : 42,046,514.55 = 16,693,601.70 : x
  2. Step 2: Convert to fraction form
    28,031,009.70/42,046,514.55 = 16,693,601.70/x
  3. Step 3: Cross multiply
    28,031,009.70x = 42,046,514.55 × 16,693,601.70
  4. Step 4: Simplify right side
    28,031,009.70x = 701,907,766,770,954.62
  5. Step 5: Solve for x
    x = 701,907,766,770,954.62/28,031,009.70
  6. Step 6: Final answer
    x = 25,040,402.55

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Similar ratio
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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.