Home / 28,776,185.29-43,194,991.61-12,389,579.31

Finding the Fourth Proportional to 28,776,185.29, 43,194,991.61 and 12,389,579.31

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Solution

The fourth proportional to 28,776,185.29, 43,194,991.61 and 12,389,579.31 is: 18,597,592.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776,185.29 : 43,194,991.61 = 12,389,579.31 : x
  2. Step 2: Convert to fraction form
    28,776,185.29/43,194,991.61 = 12,389,579.31/x
  3. Step 3: Cross multiply
    28,776,185.29x = 43,194,991.61 × 12,389,579.31
  4. Step 4: Simplify right side
    28,776,185.29x = 535,167,774,346,879.62
  5. Step 5: Solve for x
    x = 535,167,774,346,879.62/28,776,185.29
  6. Step 6: Final answer
    x = 18,597,592.73

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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.