Home / 26,276,139-39,414,191.76-19,133,112.60

Finding the Fourth Proportional to 26,276,139, 39,414,191.76 and 19,133,112.60

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Solution

The fourth proportional to 26,276,139, 39,414,191.76 and 19,133,112.60 is: 28,699,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,276,139 : 39,414,191.76 = 19,133,112.60 : x
  2. Step 2: Convert to fraction form
    26,276,139/39,414,191.76 = 19,133,112.60/x
  3. Step 3: Cross multiply
    26,276,139x = 39,414,191.76 × 19,133,112.60
  4. Step 4: Simplify right side
    26,276,139x = 754,116,168,982,072.25
  5. Step 5: Solve for x
    x = 754,116,168,982,072.25/26,276,139
  6. Step 6: Final answer
    x = 28,699,656.71

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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.