Home / 19,015,994.20-28,516,842.24-6,882,459.88

Finding the Fourth Proportional to 19,015,994.20, 28,516,842.24 and 6,882,459.88

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Solution

The fourth proportional to 19,015,994.20, 28,516,842.24 and 6,882,459.88 is: 10,321,102.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015,994.20 : 28,516,842.24 = 6,882,459.88 : x
  2. Step 2: Convert to fraction form
    19,015,994.20/28,516,842.24 = 6,882,459.88/x
  3. Step 3: Cross multiply
    19,015,994.20x = 28,516,842.24 × 6,882,459.88
  4. Step 4: Simplify right side
    19,015,994.20x = 196,266,022,621,089.31
  5. Step 5: Solve for x
    x = 196,266,022,621,089.31/19,015,994.20
  6. Step 6: Final answer
    x = 10,321,102.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.