Home / 19,971,779.96-27,560,786.55-11,151,367.58

Finding the Fourth Proportional to 19,971,779.96, 27,560,786.55 and 11,151,367.58

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Solution

The fourth proportional to 19,971,779.96, 27,560,786.55 and 11,151,367.58 is: 15,388,736.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971,779.96 : 27,560,786.55 = 11,151,367.58 : x
  2. Step 2: Convert to fraction form
    19,971,779.96/27,560,786.55 = 11,151,367.58/x
  3. Step 3: Cross multiply
    19,971,779.96x = 27,560,786.55 × 11,151,367.58
  4. Step 4: Simplify right side
    19,971,779.96x = 307,340,461,612,970.06
  5. Step 5: Solve for x
    x = 307,340,461,612,970.06/19,971,779.96
  6. Step 6: Final answer
    x = 15,388,736.62

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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.