Home / 30,066,395.16-45,084,896.10-20,972,849.16

Finding the Fourth Proportional to 30,066,395.16, 45,084,896.10 and 20,972,849.16

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Solution

The fourth proportional to 30,066,395.16, 45,084,896.10 and 20,972,849.16 is: 31,449,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,066,395.16 : 45,084,896.10 = 20,972,849.16 : x
  2. Step 2: Convert to fraction form
    30,066,395.16/45,084,896.10 = 20,972,849.16/x
  3. Step 3: Cross multiply
    30,066,395.16x = 45,084,896.10 × 20,972,849.16
  4. Step 4: Simplify right side
    30,066,395.16x = 945,558,725,299,572.38
  5. Step 5: Solve for x
    x = 945,558,725,299,572.38/30,066,395.16
  6. Step 6: Final answer
    x = 31,449,022.08

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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.