Home / 21,670,234.14-29,907,969.75-13,412,945.10

Finding the Fourth Proportional to 21,670,234.14, 29,907,969.75 and 13,412,945.10

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Solution

The fourth proportional to 21,670,234.14, 29,907,969.75 and 13,412,945.10 is: 18,511,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670,234.14 : 29,907,969.75 = 13,412,945.10 : x
  2. Step 2: Convert to fraction form
    21,670,234.14/29,907,969.75 = 13,412,945.10/x
  3. Step 3: Cross multiply
    21,670,234.14x = 29,907,969.75 × 13,412,945.10
  4. Step 4: Simplify right side
    21,670,234.14x = 401,153,956,309,210.69
  5. Step 5: Solve for x
    x = 401,153,956,309,210.69/21,670,234.14
  6. Step 6: Final answer
    x = 18,511,749.98

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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.