Home / 13,203,755.40-19,805,633.10-10,493,406.30

Finding the Fourth Proportional to 13,203,755.40, 19,805,633.10 and 10,493,406.30

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Solution

The fourth proportional to 13,203,755.40, 19,805,633.10 and 10,493,406.30 is: 15,740,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,755.40 : 19,805,633.10 = 10,493,406.30 : x
  2. Step 2: Convert to fraction form
    13,203,755.40/19,805,633.10 = 10,493,406.30/x
  3. Step 3: Cross multiply
    13,203,755.40x = 19,805,633.10 × 10,493,406.30
  4. Step 4: Simplify right side
    13,203,755.40x = 207,828,555,147,028.56
  5. Step 5: Solve for x
    x = 207,828,555,147,028.56/13,203,755.40
  6. Step 6: Final answer
    x = 15,740,109.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.