Home / 20,458,484.78-30,684,305.73-7,501,958.06

Finding the Fourth Proportional to 20,458,484.78, 30,684,305.73 and 7,501,958.06

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Solution

The fourth proportional to 20,458,484.78, 30,684,305.73 and 7,501,958.06 is: 11,251,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458,484.78 : 30,684,305.73 = 7,501,958.06 : x
  2. Step 2: Convert to fraction form
    20,458,484.78/30,684,305.73 = 7,501,958.06/x
  3. Step 3: Cross multiply
    20,458,484.78x = 30,684,305.73 × 7,501,958.06
  4. Step 4: Simplify right side
    20,458,484.78x = 230,192,374,686,677.69
  5. Step 5: Solve for x
    x = 230,192,374,686,677.69/20,458,484.78
  6. Step 6: Final answer
    x = 11,251,682.48

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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.