Home / 17,392,120.80-26,088,181.20-15,478,933.20

Finding the Fourth Proportional to 17,392,120.80, 26,088,181.20 and 15,478,933.20

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Solution

The fourth proportional to 17,392,120.80, 26,088,181.20 and 15,478,933.20 is: 23,218,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,392,120.80 : 26,088,181.20 = 15,478,933.20 : x
  2. Step 2: Convert to fraction form
    17,392,120.80/26,088,181.20 = 15,478,933.20/x
  3. Step 3: Cross multiply
    17,392,120.80x = 26,088,181.20 × 15,478,933.20
  4. Step 4: Simplify right side
    17,392,120.80x = 403,817,214,104,295.81
  5. Step 5: Solve for x
    x = 403,817,214,104,295.81/17,392,120.80
  6. Step 6: Final answer
    x = 23,218,399.80

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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.