Home / 20,905,866.44-28,850,915.33-14,304,301.45

Finding the Fourth Proportional to 20,905,866.44, 28,850,915.33 and 14,304,301.45

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Solution

The fourth proportional to 20,905,866.44, 28,850,915.33 and 14,304,301.45 is: 19,740,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,905,866.44 : 28,850,915.33 = 14,304,301.45 : x
  2. Step 2: Convert to fraction form
    20,905,866.44/28,850,915.33 = 14,304,301.45/x
  3. Step 3: Cross multiply
    20,905,866.44x = 28,850,915.33 × 14,304,301.45
  4. Step 4: Simplify right side
    20,905,866.44x = 412,692,189,917,224.69
  5. Step 5: Solve for x
    x = 412,692,189,917,224.69/20,905,866.44
  6. Step 6: Final answer
    x = 19,740,496.82

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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.