Home / 21,179,913.12-31,764,620.88-6,033,975.84

Finding the Fourth Proportional to 21,179,913.12, 31,764,620.88 and 6,033,975.84

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Solution

The fourth proportional to 21,179,913.12, 31,764,620.88 and 6,033,975.84 is: 9,049,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,179,913.12 : 31,764,620.88 = 6,033,975.84 : x
  2. Step 2: Convert to fraction form
    21,179,913.12/31,764,620.88 = 6,033,975.84/x
  3. Step 3: Cross multiply
    21,179,913.12x = 31,764,620.88 × 6,033,975.84
  4. Step 4: Simplify right side
    21,179,913.12x = 191,666,954,956,679.53
  5. Step 5: Solve for x
    x = 191,666,954,956,679.53/21,179,913.12
  6. Step 6: Final answer
    x = 9,049,468.42

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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.