Home / 23,362,378.96-34,994,739-18,788,693.20

Finding the Fourth Proportional to 23,362,378.96, 34,994,739 and 18,788,693.20

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Solution

The fourth proportional to 23,362,378.96, 34,994,739 and 18,788,693.20 is: 28,143,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,362,378.96 : 34,994,739 = 18,788,693.20 : x
  2. Step 2: Convert to fraction form
    23,362,378.96/34,994,739 = 18,788,693.20/x
  3. Step 3: Cross multiply
    23,362,378.96x = 34,994,739 × 18,788,693.20
  4. Step 4: Simplify right side
    23,362,378.96x = 657,505,414,685,074.75
  5. Step 5: Solve for x
    x = 657,505,414,685,074.75/23,362,378.96
  6. Step 6: Final answer
    x = 28,143,769.77

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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.