Home / 19,660,779.81-27,132,794.78-10,959,015.42

Finding the Fourth Proportional to 19,660,779.81, 27,132,794.78 and 10,959,015.42

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Solution

The fourth proportional to 19,660,779.81, 27,132,794.78 and 10,959,015.42 is: 15,123,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660,779.81 : 27,132,794.78 = 10,959,015.42 : x
  2. Step 2: Convert to fraction form
    19,660,779.81/27,132,794.78 = 10,959,015.42/x
  3. Step 3: Cross multiply
    19,660,779.81x = 27,132,794.78 × 10,959,015.42
  4. Step 4: Simplify right side
    19,660,779.81x = 297,348,716,326,920.44
  5. Step 5: Solve for x
    x = 297,348,716,326,920.44/19,660,779.81
  6. Step 6: Final answer
    x = 15,123,953.33

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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.