Home / 20,733,904.91-28,618,479.83-12,034,880.08

Finding the Fourth Proportional to 20,733,904.91, 28,618,479.83 and 12,034,880.08

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Solution

The fourth proportional to 20,733,904.91, 28,618,479.83 and 12,034,880.08 is: 16,611,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,904.91 : 28,618,479.83 = 12,034,880.08 : x
  2. Step 2: Convert to fraction form
    20,733,904.91/28,618,479.83 = 12,034,880.08/x
  3. Step 3: Cross multiply
    20,733,904.91x = 28,618,479.83 × 12,034,880.08
  4. Step 4: Simplify right side
    20,733,904.91x = 344,419,972,825,948.75
  5. Step 5: Solve for x
    x = 344,419,972,825,948.75/20,733,904.91
  6. Step 6: Final answer
    x = 16,611,437.85

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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.