Home / 8,064,128.20-12,088,319.10-7,213,822.60

Finding the Fourth Proportional to 8,064,128.20, 12,088,319.10 and 7,213,822.60

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Solution

The fourth proportional to 8,064,128.20, 12,088,319.10 and 7,213,822.60 is: 10,813,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,128.20 : 12,088,319.10 = 7,213,822.60 : x
  2. Step 2: Convert to fraction form
    8,064,128.20/12,088,319.10 = 7,213,822.60/x
  3. Step 3: Cross multiply
    8,064,128.20x = 12,088,319.10 × 7,213,822.60
  4. Step 4: Simplify right side
    8,064,128.20x = 87,202,989,519,591.66
  5. Step 5: Solve for x
    x = 87,202,989,519,591.66/8,064,128.20
  6. Step 6: Final answer
    x = 10,813,690.87

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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.