Home / 13,940,368.06-20,902,432.85-5,410,740.01

Finding the Fourth Proportional to 13,940,368.06, 20,902,432.85 and 5,410,740.01

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Solution

The fourth proportional to 13,940,368.06, 20,902,432.85 and 5,410,740.01 is: 8,112,958.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940,368.06 : 20,902,432.85 = 5,410,740.01 : x
  2. Step 2: Convert to fraction form
    13,940,368.06/20,902,432.85 = 5,410,740.01/x
  3. Step 3: Cross multiply
    13,940,368.06x = 20,902,432.85 × 5,410,740.01
  4. Step 4: Simplify right side
    13,940,368.06x = 113,097,629,723,220.89
  5. Step 5: Solve for x
    x = 113,097,629,723,220.89/13,940,368.06
  6. Step 6: Final answer
    x = 8,112,958.66

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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.