Home / 19,380,119.38-26,736,161.78-11,535,232.52

Finding the Fourth Proportional to 19,380,119.38, 26,736,161.78 and 11,535,232.52

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Solution

The fourth proportional to 19,380,119.38, 26,736,161.78 and 11,535,232.52 is: 15,913,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380,119.38 : 26,736,161.78 = 11,535,232.52 : x
  2. Step 2: Convert to fraction form
    19,380,119.38/26,736,161.78 = 11,535,232.52/x
  3. Step 3: Cross multiply
    19,380,119.38x = 26,736,161.78 × 11,535,232.52
  4. Step 4: Simplify right side
    19,380,119.38x = 308,407,842,920,315.56
  5. Step 5: Solve for x
    x = 308,407,842,920,315.56/19,380,119.38
  6. Step 6: Final answer
    x = 15,913,619.36

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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.