Home / 30,066,509.16-45,085,067.04-20,972,963.16

Finding the Fourth Proportional to 30,066,509.16, 45,085,067.04 and 20,972,963.16

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Solution

The fourth proportional to 30,066,509.16, 45,085,067.04 and 20,972,963.16 is: 31,449,193.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,066,509.16 : 45,085,067.04 = 20,972,963.16 : x
  2. Step 2: Convert to fraction form
    30,066,509.16/45,085,067.04 = 20,972,963.16/x
  3. Step 3: Cross multiply
    30,066,509.16x = 45,085,067.04 × 20,972,963.16
  4. Step 4: Simplify right side
    30,066,509.16x = 945,567,450,096,050.25
  5. Step 5: Solve for x
    x = 945,567,450,096,050.25/30,066,509.16
  6. Step 6: Final answer
    x = 31,449,193.02

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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.