Home / 8,302,381.41-12,457,168.65-4,459,720.11

Finding the Fourth Proportional to 8,302,381.41, 12,457,168.65 and 4,459,720.11

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Solution

The fourth proportional to 8,302,381.41, 12,457,168.65 and 4,459,720.11 is: 6,691,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302,381.41 : 12,457,168.65 = 4,459,720.11 : x
  2. Step 2: Convert to fraction form
    8,302,381.41/12,457,168.65 = 4,459,720.11/x
  3. Step 3: Cross multiply
    8,302,381.41x = 12,457,168.65 × 4,459,720.11
  4. Step 4: Simplify right side
    8,302,381.41x = 55,555,485,542,066.55
  5. Step 5: Solve for x
    x = 55,555,485,542,066.55/8,302,381.41
  6. Step 6: Final answer
    x = 6,691,512.09

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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.