Home / 20,004,258.40-30,002,893.20-5,623,912

Finding the Fourth Proportional to 20,004,258.40, 30,002,893.20 and 5,623,912

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Solution

The fourth proportional to 20,004,258.40, 30,002,893.20 and 5,623,912 is: 8,434,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004,258.40 : 30,002,893.20 = 5,623,912 : x
  2. Step 2: Convert to fraction form
    20,004,258.40/30,002,893.20 = 5,623,912/x
  3. Step 3: Cross multiply
    20,004,258.40x = 30,002,893.20 × 5,623,912
  4. Step 4: Simplify right side
    20,004,258.40x = 168,733,631,102,198.41
  5. Step 5: Solve for x
    x = 168,733,631,102,198.41/20,004,258.40
  6. Step 6: Final answer
    x = 8,434,885.60

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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.