Home / 20,733,651-28,608,895.44-12,029,828.40

Finding the Fourth Proportional to 20,733,651, 28,608,895.44 and 12,029,828.40

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Solution

The fourth proportional to 20,733,651, 28,608,895.44 and 12,029,828.40 is: 16,599,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,651 : 28,608,895.44 = 12,029,828.40 : x
  2. Step 2: Convert to fraction form
    20,733,651/28,608,895.44 = 12,029,828.40/x
  3. Step 3: Cross multiply
    20,733,651x = 28,608,895.44 × 12,029,828.40
  4. Step 4: Simplify right side
    20,733,651x = 344,160,102,856,742.50
  5. Step 5: Solve for x
    x = 344,160,102,856,742.50/20,733,651
  6. Step 6: Final answer
    x = 16,599,107.55

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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.