Home / 20,733,902.91-28,618,477.07-12,034,878.08

Finding the Fourth Proportional to 20,733,902.91, 28,618,477.07 and 12,034,878.08

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Solution

The fourth proportional to 20,733,902.91, 28,618,477.07 and 12,034,878.08 is: 16,611,435.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,902.91 : 28,618,477.07 = 12,034,878.08 : x
  2. Step 2: Convert to fraction form
    20,733,902.91/28,618,477.07 = 12,034,878.08/x
  3. Step 3: Cross multiply
    20,733,902.91x = 28,618,477.07 × 12,034,878.08
  4. Step 4: Simplify right side
    20,733,902.91x = 344,419,882,169,458.88
  5. Step 5: Solve for x
    x = 344,419,882,169,458.88/20,733,902.91
  6. Step 6: Final answer
    x = 16,611,435.08

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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.