Home / 21,359,845.42-29,476,728.17-11,570,289.48

Finding the Fourth Proportional to 21,359,845.42, 29,476,728.17 and 11,570,289.48

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Solution

The fourth proportional to 21,359,845.42, 29,476,728.17 and 11,570,289.48 is: 15,967,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359,845.42 : 29,476,728.17 = 11,570,289.48 : x
  2. Step 2: Convert to fraction form
    21,359,845.42/29,476,728.17 = 11,570,289.48/x
  3. Step 3: Cross multiply
    21,359,845.42x = 29,476,728.17 × 11,570,289.48
  4. Step 4: Simplify right side
    21,359,845.42x = 341,054,277,900,790.69
  5. Step 5: Solve for x
    x = 341,054,277,900,790.69/21,359,845.42
  6. Step 6: Final answer
    x = 15,967,076.13

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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.