Home / 14,269,039.40-21,374,528.70-8,861,090.60

Finding the Fourth Proportional to 14,269,039.40, 21,374,528.70 and 8,861,090.60

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Solution

The fourth proportional to 14,269,039.40, 21,374,528.70 and 8,861,090.60 is: 13,273,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269,039.40 : 21,374,528.70 = 8,861,090.60 : x
  2. Step 2: Convert to fraction form
    14,269,039.40/21,374,528.70 = 8,861,090.60/x
  3. Step 3: Cross multiply
    14,269,039.40x = 21,374,528.70 × 8,861,090.60
  4. Step 4: Simplify right side
    14,269,039.40x = 189,401,635,343,000.22
  5. Step 5: Solve for x
    x = 189,401,635,343,000.22/14,269,039.40
  6. Step 6: Final answer
    x = 13,273,607.99

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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.