Home / 14,984,891.63-20,679,215.60-8,109,374.30

Finding the Fourth Proportional to 14,984,891.63, 20,679,215.60 and 8,109,374.30

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Solution

The fourth proportional to 14,984,891.63, 20,679,215.60 and 8,109,374.30 is: 11,190,971.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,891.63 : 20,679,215.60 = 8,109,374.30 : x
  2. Step 2: Convert to fraction form
    14,984,891.63/20,679,215.60 = 8,109,374.30/x
  3. Step 3: Cross multiply
    14,984,891.63x = 20,679,215.60 × 8,109,374.30
  4. Step 4: Simplify right side
    14,984,891.63x = 167,695,499,530,799.09
  5. Step 5: Solve for x
    x = 167,695,499,530,799.09/14,984,891.63
  6. Step 6: Final answer
    x = 11,190,971.79

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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.