Home / 23,189,857.68-31,994,826.96-13,396,728.64

Finding the Fourth Proportional to 23,189,857.68, 31,994,826.96 and 13,396,728.64

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Solution

The fourth proportional to 23,189,857.68, 31,994,826.96 and 13,396,728.64 is: 18,483,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189,857.68 : 31,994,826.96 = 13,396,728.64 : x
  2. Step 2: Convert to fraction form
    23,189,857.68/31,994,826.96 = 13,396,728.64/x
  3. Step 3: Cross multiply
    23,189,857.68x = 31,994,826.96 × 13,396,728.64
  4. Step 4: Simplify right side
    23,189,857.68x = 428,626,014,666,876.19
  5. Step 5: Solve for x
    x = 428,626,014,666,876.19/23,189,857.68
  6. Step 6: Final answer
    x = 18,483,339.60

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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.