Home / 29,009,740.20-43,530,356.70-11,972,135.40

Finding the Fourth Proportional to 29,009,740.20, 43,530,356.70 and 11,972,135.40

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Solution

The fourth proportional to 29,009,740.20, 43,530,356.70 and 11,972,135.40 is: 17,964,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,009,740.20 : 43,530,356.70 = 11,972,135.40 : x
  2. Step 2: Convert to fraction form
    29,009,740.20/43,530,356.70 = 11,972,135.40/x
  3. Step 3: Cross multiply
    29,009,740.20x = 43,530,356.70 × 11,972,135.40
  4. Step 4: Simplify right side
    29,009,740.20x = 521,151,324,422,697.25
  5. Step 5: Solve for x
    x = 521,151,324,422,697.25/29,009,740.20
  6. Step 6: Final answer
    x = 17,964,701.54

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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.