Home / 20,740,049.82-28,632,030.12-15,152,029.38

Finding the Fourth Proportional to 20,740,049.82, 28,632,030.12 and 15,152,029.38

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Solution

The fourth proportional to 20,740,049.82, 28,632,030.12 and 15,152,029.38 is: 20,917,662.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740,049.82 : 28,632,030.12 = 15,152,029.38 : x
  2. Step 2: Convert to fraction form
    20,740,049.82/28,632,030.12 = 15,152,029.38/x
  3. Step 3: Cross multiply
    20,740,049.82x = 28,632,030.12 × 15,152,029.38
  4. Step 4: Simplify right side
    20,740,049.82x = 433,833,361,587,284.94
  5. Step 5: Solve for x
    x = 433,833,361,587,284.94/20,740,049.82
  6. Step 6: Final answer
    x = 20,917,662.46

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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.