Home / 56,012,694.36-84,019,055.94-17,677,208.76

Finding the Fourth Proportional to 56,012,694.36, 84,019,055.94 and 17,677,208.76

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Solution

The fourth proportional to 56,012,694.36, 84,019,055.94 and 17,677,208.76 is: 26,515,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,012,694.36 : 84,019,055.94 = 17,677,208.76 : x
  2. Step 2: Convert to fraction form
    56,012,694.36/84,019,055.94 = 17,677,208.76/x
  3. Step 3: Cross multiply
    56,012,694.36x = 84,019,055.94 × 17,677,208.76
  4. Step 4: Simplify right side
    56,012,694.36x = 1,485,222,391,669,498.25
  5. Step 5: Solve for x
    x = 1,485,222,391,669,498.25/56,012,694.36
  6. Step 6: Final answer
    x = 26,515,817.68

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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.