Home / 34,653,139.72-47,821,896.78-18,971,899.56

Finding the Fourth Proportional to 34,653,139.72, 47,821,896.78 and 18,971,899.56

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Solution

The fourth proportional to 34,653,139.72, 47,821,896.78 and 18,971,899.56 is: 26,181,530.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,653,139.72 : 47,821,896.78 = 18,971,899.56 : x
  2. Step 2: Convert to fraction form
    34,653,139.72/47,821,896.78 = 18,971,899.56/x
  3. Step 3: Cross multiply
    34,653,139.72x = 47,821,896.78 × 18,971,899.56
  4. Step 4: Simplify right side
    34,653,139.72x = 907,272,222,478,847.38
  5. Step 5: Solve for x
    x = 907,272,222,478,847.38/34,653,139.72
  6. Step 6: Final answer
    x = 26,181,530.15

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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.