Home / 12,729,889.80-19,094,834.70-11,336,430.60

Finding the Fourth Proportional to 12,729,889.80, 19,094,834.70 and 11,336,430.60

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Solution

The fourth proportional to 12,729,889.80, 19,094,834.70 and 11,336,430.60 is: 17,004,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,889.80 : 19,094,834.70 = 11,336,430.60 : x
  2. Step 2: Convert to fraction form
    12,729,889.80/19,094,834.70 = 11,336,430.60/x
  3. Step 3: Cross multiply
    12,729,889.80x = 19,094,834.70 × 11,336,430.60
  4. Step 4: Simplify right side
    12,729,889.80x = 216,467,268,395,021.81
  5. Step 5: Solve for x
    x = 216,467,268,395,021.81/12,729,889.80
  6. Step 6: Final answer
    x = 17,004,645.90

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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.