Home / 28,672,125.06-43,029,606.44-19,428,179.18

Finding the Fourth Proportional to 28,672,125.06, 43,029,606.44 and 19,428,179.18

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Solution

The fourth proportional to 28,672,125.06, 43,029,606.44 and 19,428,179.18 is: 29,156,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672,125.06 : 43,029,606.44 = 19,428,179.18 : x
  2. Step 2: Convert to fraction form
    28,672,125.06/43,029,606.44 = 19,428,179.18/x
  3. Step 3: Cross multiply
    28,672,125.06x = 43,029,606.44 × 19,428,179.18
  4. Step 4: Simplify right side
    28,672,125.06x = 835,986,903,961,201.88
  5. Step 5: Solve for x
    x = 835,986,903,961,201.88/28,672,125.06
  6. Step 6: Final answer
    x = 29,156,782.14

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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.