Home / 28,538,817.58-39,383,676.31-15,486,076.50

Finding the Fourth Proportional to 28,538,817.58, 39,383,676.31 and 15,486,076.50

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Solution

The fourth proportional to 28,538,817.58, 39,383,676.31 and 15,486,076.50 is: 21,370,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,538,817.58 : 39,383,676.31 = 15,486,076.50 : x
  2. Step 2: Convert to fraction form
    28,538,817.58/39,383,676.31 = 15,486,076.50/x
  3. Step 3: Cross multiply
    28,538,817.58x = 39,383,676.31 × 15,486,076.50
  4. Step 4: Simplify right side
    28,538,817.58x = 609,898,624,187,897.75
  5. Step 5: Solve for x
    x = 609,898,624,187,897.75/28,538,817.58
  6. Step 6: Final answer
    x = 21,370,844.20

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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.