Home / 10,428,540.03-15,643,991.04-9,356,997.51

Finding the Fourth Proportional to 10,428,540.03, 15,643,991.04 and 9,356,997.51

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Solution

The fourth proportional to 10,428,540.03, 15,643,991.04 and 9,356,997.51 is: 14,036,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428,540.03 : 15,643,991.04 = 9,356,997.51 : x
  2. Step 2: Convert to fraction form
    10,428,540.03/15,643,991.04 = 9,356,997.51/x
  3. Step 3: Cross multiply
    10,428,540.03x = 15,643,991.04 × 9,356,997.51
  4. Step 4: Simplify right side
    10,428,540.03x = 146,380,785,207,742.31
  5. Step 5: Solve for x
    x = 146,380,785,207,742.31/10,428,540.03
  6. Step 6: Final answer
    x = 14,036,555.91

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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.