Home / 30,420,010.80-45,630,016.20-15,268,474.80

Finding the Fourth Proportional to 30,420,010.80, 45,630,016.20 and 15,268,474.80

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Solution

The fourth proportional to 30,420,010.80, 45,630,016.20 and 15,268,474.80 is: 22,902,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,420,010.80 : 45,630,016.20 = 15,268,474.80 : x
  2. Step 2: Convert to fraction form
    30,420,010.80/45,630,016.20 = 15,268,474.80/x
  3. Step 3: Cross multiply
    30,420,010.80x = 45,630,016.20 × 15,268,474.80
  4. Step 4: Simplify right side
    30,420,010.80x = 696,700,752,473,291.88
  5. Step 5: Solve for x
    x = 696,700,752,473,291.88/30,420,010.80
  6. Step 6: Final answer
    x = 22,902,712.20

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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.