Home / 20,295,749.61-30,448,102.31-5,919,942.51

Finding the Fourth Proportional to 20,295,749.61, 30,448,102.31 and 5,919,942.51

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Solution

The fourth proportional to 20,295,749.61, 30,448,102.31 and 5,919,942.51 is: 8,881,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,295,749.61 : 30,448,102.31 = 5,919,942.51 : x
  2. Step 2: Convert to fraction form
    20,295,749.61/30,448,102.31 = 5,919,942.51/x
  3. Step 3: Cross multiply
    20,295,749.61x = 30,448,102.31 × 5,919,942.51
  4. Step 4: Simplify right side
    20,295,749.61x = 180,251,015,184,198.47
  5. Step 5: Solve for x
    x = 180,251,015,184,198.47/20,295,749.61
  6. Step 6: Final answer
    x = 8,881,219.89

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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.