Home / 19,862,406.64-29,793,419.61-11,769,556.78

Finding the Fourth Proportional to 19,862,406.64, 29,793,419.61 and 11,769,556.78

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Solution

The fourth proportional to 19,862,406.64, 29,793,419.61 and 11,769,556.78 is: 17,654,222.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862,406.64 : 29,793,419.61 = 11,769,556.78 : x
  2. Step 2: Convert to fraction form
    19,862,406.64/29,793,419.61 = 11,769,556.78/x
  3. Step 3: Cross multiply
    19,862,406.64x = 29,793,419.61 × 11,769,556.78
  4. Step 4: Simplify right side
    19,862,406.64x = 350,655,343,770,260.44
  5. Step 5: Solve for x
    x = 350,655,343,770,260.44/19,862,406.64
  6. Step 6: Final answer
    x = 17,654,222.38

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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.