Home / 31,530,008.08-43,511,391.88-17,043,320.08

Finding the Fourth Proportional to 31,530,008.08, 43,511,391.88 and 17,043,320.08

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Solution

The fourth proportional to 31,530,008.08, 43,511,391.88 and 17,043,320.08 is: 23,519,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530,008.08 : 43,511,391.88 = 17,043,320.08 : x
  2. Step 2: Convert to fraction form
    31,530,008.08/43,511,391.88 = 17,043,320.08/x
  3. Step 3: Cross multiply
    31,530,008.08x = 43,511,391.88 × 17,043,320.08
  4. Step 4: Simplify right side
    31,530,008.08x = 741,578,578,937,152.88
  5. Step 5: Solve for x
    x = 741,578,578,937,152.88/31,530,008.08
  6. Step 6: Final answer
    x = 23,519,771.29

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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.