Home / 35,804,234.34-49,415,769.09-21,123,489.78

Finding the Fourth Proportional to 35,804,234.34, 49,415,769.09 and 21,123,489.78

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Solution

The fourth proportional to 35,804,234.34, 49,415,769.09 and 21,123,489.78 is: 29,153,911.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,804,234.34 : 49,415,769.09 = 21,123,489.78 : x
  2. Step 2: Convert to fraction form
    35,804,234.34/49,415,769.09 = 21,123,489.78/x
  3. Step 3: Cross multiply
    35,804,234.34x = 49,415,769.09 × 21,123,489.78
  4. Step 4: Simplify right side
    35,804,234.34x = 1,043,833,493,343,455
  5. Step 5: Solve for x
    x = 1,043,833,493,343,455/35,804,234.34
  6. Step 6: Final answer
    x = 29,153,911.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.