Home / 13,977,698.31-19,290,017.58-8,397,651.63

Finding the Fourth Proportional to 13,977,698.31, 19,290,017.58 and 8,397,651.63

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Solution

The fourth proportional to 13,977,698.31, 19,290,017.58 and 8,397,651.63 is: 11,589,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977,698.31 : 19,290,017.58 = 8,397,651.63 : x
  2. Step 2: Convert to fraction form
    13,977,698.31/19,290,017.58 = 8,397,651.63/x
  3. Step 3: Cross multiply
    13,977,698.31x = 19,290,017.58 × 8,397,651.63
  4. Step 4: Simplify right side
    13,977,698.31x = 161,990,847,573,415.66
  5. Step 5: Solve for x
    x = 161,990,847,573,415.66/13,977,698.31
  6. Step 6: Final answer
    x = 11,589,236.22

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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.