Home / 28,776,005.95-43,194,736.27-12,389,405.44

Finding the Fourth Proportional to 28,776,005.95, 43,194,736.27 and 12,389,405.44

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Solution

The fourth proportional to 28,776,005.95, 43,194,736.27 and 12,389,405.44 is: 18,597,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776,005.95 : 43,194,736.27 = 12,389,405.44 : x
  2. Step 2: Convert to fraction form
    28,776,005.95/43,194,736.27 = 12,389,405.44/x
  3. Step 3: Cross multiply
    28,776,005.95x = 43,194,736.27 × 12,389,405.44
  4. Step 4: Simplify right side
    28,776,005.95x = 535,157,100,430,403.25
  5. Step 5: Solve for x
    x = 535,157,100,430,403.25/28,776,005.95
  6. Step 6: Final answer
    x = 18,597,337.71

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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.