Home / 20,733,903.91-28,618,478.45-12,034,879.08

Finding the Fourth Proportional to 20,733,903.91, 28,618,478.45 and 12,034,879.08

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Solution

The fourth proportional to 20,733,903.91, 28,618,478.45 and 12,034,879.08 is: 16,611,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,903.91 : 28,618,478.45 = 12,034,879.08 : x
  2. Step 2: Convert to fraction form
    20,733,903.91/28,618,478.45 = 12,034,879.08/x
  3. Step 3: Cross multiply
    20,733,903.91x = 28,618,478.45 × 12,034,879.08
  4. Step 4: Simplify right side
    20,733,903.91x = 344,419,927,599,335.81
  5. Step 5: Solve for x
    x = 344,419,927,599,335.81/20,733,903.91
  6. Step 6: Final answer
    x = 16,611,436.47

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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.