Home / 19,659,445.89-27,129,573-11,400,983.97

Finding the Fourth Proportional to 19,659,445.89, 27,129,573 and 11,400,983.97

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Solution

The fourth proportional to 19,659,445.89, 27,129,573 and 11,400,983.97 is: 15,733,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659,445.89 : 27,129,573 = 11,400,983.97 : x
  2. Step 2: Convert to fraction form
    19,659,445.89/27,129,573 = 11,400,983.97/x
  3. Step 3: Cross multiply
    19,659,445.89x = 27,129,573 × 11,400,983.97
  4. Step 4: Simplify right side
    19,659,445.89x = 309,303,826,885,944.81
  5. Step 5: Solve for x
    x = 309,303,826,885,944.81/19,659,445.89
  6. Step 6: Final answer
    x = 15,733,089.76

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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.