Home / 13,691,453.24-18,893,486.46-7,495,311.80

Finding the Fourth Proportional to 13,691,453.24, 18,893,486.46 and 7,495,311.80

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Solution

The fourth proportional to 13,691,453.24, 18,893,486.46 and 7,495,311.80 is: 10,343,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691,453.24 : 18,893,486.46 = 7,495,311.80 : x
  2. Step 2: Convert to fraction form
    13,691,453.24/18,893,486.46 = 7,495,311.80/x
  3. Step 3: Cross multiply
    13,691,453.24x = 18,893,486.46 × 7,495,311.80
  4. Step 4: Simplify right side
    13,691,453.24x = 141,612,572,006,778.22
  5. Step 5: Solve for x
    x = 141,612,572,006,778.22/13,691,453.24
  6. Step 6: Final answer
    x = 10,343,136.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.