Home / 30,646,483.20-45,969,724.80-13,589,049.60

Finding the Fourth Proportional to 30,646,483.20, 45,969,724.80 and 13,589,049.60

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Solution

The fourth proportional to 30,646,483.20, 45,969,724.80 and 13,589,049.60 is: 20,383,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646,483.20 : 45,969,724.80 = 13,589,049.60 : x
  2. Step 2: Convert to fraction form
    30,646,483.20/45,969,724.80 = 13,589,049.60/x
  3. Step 3: Cross multiply
    30,646,483.20x = 45,969,724.80 × 13,589,049.60
  4. Step 4: Simplify right side
    30,646,483.20x = 624,684,870,405,550
  5. Step 5: Solve for x
    x = 624,684,870,405,550/30,646,483.20
  6. Step 6: Final answer
    x = 20,383,574.40

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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.