Home / 10,642,336.97-15,905,187.32-7,769,753.01

Finding the Fourth Proportional to 10,642,336.97, 15,905,187.32 and 7,769,753.01

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Solution

The fourth proportional to 10,642,336.97, 15,905,187.32 and 7,769,753.01 is: 11,612,052.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642,336.97 : 15,905,187.32 = 7,769,753.01 : x
  2. Step 2: Convert to fraction form
    10,642,336.97/15,905,187.32 = 7,769,753.01/x
  3. Step 3: Cross multiply
    10,642,336.97x = 15,905,187.32 × 7,769,753.01
  4. Step 4: Simplify right side
    10,642,336.97x = 123,579,377,015,335.06
  5. Step 5: Solve for x
    x = 123,579,377,015,335.06/10,642,336.97
  6. Step 6: Final answer
    x = 11,612,052.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.