Home / 18,229,128.92-25,136,166.48-11,700,292.40

Finding the Fourth Proportional to 18,229,128.92, 25,136,166.48 and 11,700,292.40

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Solution

The fourth proportional to 18,229,128.92, 25,136,166.48 and 11,700,292.40 is: 16,133,546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229,128.92 : 25,136,166.48 = 11,700,292.40 : x
  2. Step 2: Convert to fraction form
    18,229,128.92/25,136,166.48 = 11,700,292.40/x
  3. Step 3: Cross multiply
    18,229,128.92x = 25,136,166.48 × 11,700,292.40
  4. Step 4: Simplify right side
    18,229,128.92x = 294,100,497,631,078.75
  5. Step 5: Solve for x
    x = 294,100,497,631,078.75/18,229,128.92
  6. Step 6: Final answer
    x = 16,133,546.42

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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.