Home / 18,411,935.41-25,419,357.09-16,369,091.50

Finding the Fourth Proportional to 18,411,935.41, 25,419,357.09 and 16,369,091.50

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Solution

The fourth proportional to 18,411,935.41, 25,419,357.09 and 16,369,091.50 is: 22,599,024.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411,935.41 : 25,419,357.09 = 16,369,091.50 : x
  2. Step 2: Convert to fraction form
    18,411,935.41/25,419,357.09 = 16,369,091.50/x
  3. Step 3: Cross multiply
    18,411,935.41x = 25,419,357.09 × 16,369,091.50
  4. Step 4: Simplify right side
    18,411,935.41x = 416,091,782,077,383.75
  5. Step 5: Solve for x
    x = 416,091,782,077,383.75/18,411,935.41
  6. Step 6: Final answer
    x = 22,599,024.64

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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.