Home / 12,093,621.40-18,115,937.70-7,530,664.60

Finding the Fourth Proportional to 12,093,621.40, 18,115,937.70 and 7,530,664.60

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Solution

The fourth proportional to 12,093,621.40, 18,115,937.70 and 7,530,664.60 is: 11,280,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093,621.40 : 18,115,937.70 = 7,530,664.60 : x
  2. Step 2: Convert to fraction form
    12,093,621.40/18,115,937.70 = 7,530,664.60/x
  3. Step 3: Cross multiply
    12,093,621.40x = 18,115,937.70 × 7,530,664.60
  4. Step 4: Simplify right side
    12,093,621.40x = 136,425,050,733,195.41
  5. Step 5: Solve for x
    x = 136,425,050,733,195.41/12,093,621.40
  6. Step 6: Final answer
    x = 11,280,744.30

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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.