Home / 26,151,059.28-39,200,561.64-12,488,234.16

Finding the Fourth Proportional to 26,151,059.28, 39,200,561.64 and 12,488,234.16

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Solution

The fourth proportional to 26,151,059.28, 39,200,561.64 and 12,488,234.16 is: 18,719,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,151,059.28 : 39,200,561.64 = 12,488,234.16 : x
  2. Step 2: Convert to fraction form
    26,151,059.28/39,200,561.64 = 12,488,234.16/x
  3. Step 3: Cross multiply
    26,151,059.28x = 39,200,561.64 × 12,488,234.16
  4. Step 4: Simplify right side
    26,151,059.28x = 489,545,792,963,833.62
  5. Step 5: Solve for x
    x = 489,545,792,963,833.62/26,151,059.28
  6. Step 6: Final answer
    x = 18,719,922.12

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1.5x scale

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.