Home / 8,762,140.57-12,153,615.68-8,529,093.85

Finding the Fourth Proportional to 8,762,140.57, 12,153,615.68 and 8,529,093.85

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Solution

The fourth proportional to 8,762,140.57, 12,153,615.68 and 8,529,093.85 is: 11,830,365.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762,140.57 : 12,153,615.68 = 8,529,093.85 : x
  2. Step 2: Convert to fraction form
    8,762,140.57/12,153,615.68 = 8,529,093.85/x
  3. Step 3: Cross multiply
    8,762,140.57x = 12,153,615.68 × 8,529,093.85
  4. Step 4: Simplify right side
    8,762,140.57x = 103,659,328,751,551.56
  5. Step 5: Solve for x
    x = 103,659,328,751,551.56/8,762,140.57
  6. Step 6: Final answer
    x = 11,830,365.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.