Home / 31,051,057.44-42,850,752.10-17,112,915.14

Finding the Fourth Proportional to 31,051,057.44, 42,850,752.10 and 17,112,915.14

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Solution

The fourth proportional to 31,051,057.44, 42,850,752.10 and 17,112,915.14 is: 23,615,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,051,057.44 : 42,850,752.10 = 17,112,915.14 : x
  2. Step 2: Convert to fraction form
    31,051,057.44/42,850,752.10 = 17,112,915.14/x
  3. Step 3: Cross multiply
    31,051,057.44x = 42,850,752.10 × 17,112,915.14
  4. Step 4: Simplify right side
    31,051,057.44x = 733,301,284,372,476.88
  5. Step 5: Solve for x
    x = 733,301,284,372,476.88/31,051,057.44
  6. Step 6: Final answer
    x = 23,615,984.28

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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.