Home / 30,268,830.72-41,772,240.72-17,218,388.64

Finding the Fourth Proportional to 30,268,830.72, 41,772,240.72 and 17,218,388.64

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Solution

The fourth proportional to 30,268,830.72, 41,772,240.72 and 17,218,388.64 is: 23,762,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268,830.72 : 41,772,240.72 = 17,218,388.64 : x
  2. Step 2: Convert to fraction form
    30,268,830.72/41,772,240.72 = 17,218,388.64/x
  3. Step 3: Cross multiply
    30,268,830.72x = 41,772,240.72 × 17,218,388.64
  4. Step 4: Simplify right side
    30,268,830.72x = 719,250,675,080,593.38
  5. Step 5: Solve for x
    x = 719,250,675,080,593.38/30,268,830.72
  6. Step 6: Final answer
    x = 23,762,089.85

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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.