Home / 12,695,516.21-17,525,175.19-8,571,133.55

Finding the Fourth Proportional to 12,695,516.21, 17,525,175.19 and 8,571,133.55

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Solution

The fourth proportional to 12,695,516.21, 17,525,175.19 and 8,571,133.55 is: 11,831,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695,516.21 : 17,525,175.19 = 8,571,133.55 : x
  2. Step 2: Convert to fraction form
    12,695,516.21/17,525,175.19 = 8,571,133.55/x
  3. Step 3: Cross multiply
    12,695,516.21x = 17,525,175.19 × 8,571,133.55
  4. Step 4: Simplify right side
    12,695,516.21x = 150,210,617,063,021.72
  5. Step 5: Solve for x
    x = 150,210,617,063,021.72/12,695,516.21
  6. Step 6: Final answer
    x = 11,831,784.90

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1.5x scale

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.