Home / 20,258,621.44-30,369,311.28-7,301,601.09

Finding the Fourth Proportional to 20,258,621.44, 30,369,311.28 and 7,301,601.09

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Solution

The fourth proportional to 20,258,621.44, 30,369,311.28 and 7,301,601.09 is: 10,945,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258,621.44 : 30,369,311.28 = 7,301,601.09 : x
  2. Step 2: Convert to fraction form
    20,258,621.44/30,369,311.28 = 7,301,601.09/x
  3. Step 3: Cross multiply
    20,258,621.44x = 30,369,311.28 × 7,301,601.09
  4. Step 4: Simplify right side
    20,258,621.44x = 221,744,596,180,532.50
  5. Step 5: Solve for x
    x = 221,744,596,180,532.50/20,258,621.44
  6. Step 6: Final answer
    x = 10,945,690.30

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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.