Home / 13,855,003.06-19,119,856.35-7,743,431.56

Finding the Fourth Proportional to 13,855,003.06, 19,119,856.35 and 7,743,431.56

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Solution

The fourth proportional to 13,855,003.06, 19,119,856.35 and 7,743,431.56 is: 10,685,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855,003.06 : 19,119,856.35 = 7,743,431.56 : x
  2. Step 2: Convert to fraction form
    13,855,003.06/19,119,856.35 = 7,743,431.56/x
  3. Step 3: Cross multiply
    13,855,003.06x = 19,119,856.35 × 7,743,431.56
  4. Step 4: Simplify right side
    13,855,003.06x = 148,053,299,083,256.41
  5. Step 5: Solve for x
    x = 148,053,299,083,256.41/13,855,003.06
  6. Step 6: Final answer
    x = 10,685,908.80

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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.