Home / 30,646,579.20-45,969,868.80-13,589,145.60

Finding the Fourth Proportional to 30,646,579.20, 45,969,868.80 and 13,589,145.60

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Solution

The fourth proportional to 30,646,579.20, 45,969,868.80 and 13,589,145.60 is: 20,383,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646,579.20 : 45,969,868.80 = 13,589,145.60 : x
  2. Step 2: Convert to fraction form
    30,646,579.20/45,969,868.80 = 13,589,145.60/x
  3. Step 3: Cross multiply
    30,646,579.20x = 45,969,868.80 × 13,589,145.60
  4. Step 4: Simplify right side
    30,646,579.20x = 624,691,240,336,097.25
  5. Step 5: Solve for x
    x = 624,691,240,336,097.25/30,646,579.20
  6. Step 6: Final answer
    x = 20,383,718.40

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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.