Home / 22,501,993.88-31,052,022.62-12,578,612.60

Finding the Fourth Proportional to 22,501,993.88, 31,052,022.62 and 12,578,612.60

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Solution

The fourth proportional to 22,501,993.88, 31,052,022.62 and 12,578,612.60 is: 17,358,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,501,993.88 : 31,052,022.62 = 12,578,612.60 : x
  2. Step 2: Convert to fraction form
    22,501,993.88/31,052,022.62 = 12,578,612.60/x
  3. Step 3: Cross multiply
    22,501,993.88x = 31,052,022.62 × 12,578,612.60
  4. Step 4: Simplify right side
    22,501,993.88x = 390,591,362,983,417
  5. Step 5: Solve for x
    x = 390,591,362,983,417/22,501,993.88
  6. Step 6: Final answer
    x = 17,358,077.91

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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.