Home / 13,977,692.30-19,290,009.31-8,397,645.64

Finding the Fourth Proportional to 13,977,692.30, 19,290,009.31 and 8,397,645.64

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Solution

The fourth proportional to 13,977,692.30, 19,290,009.31 and 8,397,645.64 is: 11,589,227.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977,692.30 : 19,290,009.31 = 8,397,645.64 : x
  2. Step 2: Convert to fraction form
    13,977,692.30/19,290,009.31 = 8,397,645.64/x
  3. Step 3: Cross multiply
    13,977,692.30x = 19,290,009.31 × 8,397,645.64
  4. Step 4: Simplify right side
    13,977,692.30x = 161,990,662,555,698.50
  5. Step 5: Solve for x
    x = 161,990,662,555,698.50/13,977,692.30
  6. Step 6: Final answer
    x = 11,589,227.97

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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.