Home / 39,517,020.51-54,534,134.02-21,634,942.60

Finding the Fourth Proportional to 39,517,020.51, 54,534,134.02 and 21,634,942.60

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Solution

The fourth proportional to 39,517,020.51, 54,534,134.02 and 21,634,942.60 is: 29,856,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,517,020.51 : 54,534,134.02 = 21,634,942.60 : x
  2. Step 2: Convert to fraction form
    39,517,020.51/54,534,134.02 = 21,634,942.60/x
  3. Step 3: Cross multiply
    39,517,020.51x = 54,534,134.02 × 21,634,942.60
  4. Step 4: Simplify right side
    39,517,020.51x = 1,179,842,859,072,984.50
  5. Step 5: Solve for x
    x = 1,179,842,859,072,984.50/39,517,020.51
  6. Step 6: Final answer
    x = 29,856,574.30

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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.