Home / 30,997,604.80-42,776,027.36-17,945,415.36

Finding the Fourth Proportional to 30,997,604.80, 42,776,027.36 and 17,945,415.36

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Solution

The fourth proportional to 30,997,604.80, 42,776,027.36 and 17,945,415.36 is: 24,764,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,997,604.80 : 42,776,027.36 = 17,945,415.36 : x
  2. Step 2: Convert to fraction form
    30,997,604.80/42,776,027.36 = 17,945,415.36/x
  3. Step 3: Cross multiply
    30,997,604.80x = 42,776,027.36 × 17,945,415.36
  4. Step 4: Simplify right side
    30,997,604.80x = 767,633,578,425,924.25
  5. Step 5: Solve for x
    x = 767,633,578,425,924.25/30,997,604.80
  6. Step 6: Final answer
    x = 24,764,286.90

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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.