Home / 38,181,505-52,690,485.54-21,012,097

Finding the Fourth Proportional to 38,181,505, 52,690,485.54 and 21,012,097

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Solution

The fourth proportional to 38,181,505, 52,690,485.54 and 21,012,097 is: 28,996,698.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181,505 : 52,690,485.54 = 21,012,097 : x
  2. Step 2: Convert to fraction form
    38,181,505/52,690,485.54 = 21,012,097/x
  3. Step 3: Cross multiply
    38,181,505x = 52,690,485.54 × 21,012,097
  4. Step 4: Simplify right side
    38,181,505x = 1,107,137,593,143,577.38
  5. Step 5: Solve for x
    x = 1,107,137,593,143,577.38/38,181,505
  6. Step 6: Final answer
    x = 28,996,698.61

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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.