Home / 12,100,435.20-18,150,652.80-5,369,529.60

Finding the Fourth Proportional to 12,100,435.20, 18,150,652.80 and 5,369,529.60

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Solution

The fourth proportional to 12,100,435.20, 18,150,652.80 and 5,369,529.60 is: 8,054,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100,435.20 : 18,150,652.80 = 5,369,529.60 : x
  2. Step 2: Convert to fraction form
    12,100,435.20/18,150,652.80 = 5,369,529.60/x
  3. Step 3: Cross multiply
    12,100,435.20x = 18,150,652.80 × 5,369,529.60
  4. Step 4: Simplify right side
    12,100,435.20x = 97,460,467,468,922.88
  5. Step 5: Solve for x
    x = 97,460,467,468,922.88/12,100,435.20
  6. Step 6: Final answer
    x = 8,054,294.40

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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.