Home / 28,460,796.66-39,275,890.74-15,408,046.80

Finding the Fourth Proportional to 28,460,796.66, 39,275,890.74 and 15,408,046.80

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Solution

The fourth proportional to 28,460,796.66, 39,275,890.74 and 15,408,046.80 is: 21,263,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,460,796.66 : 39,275,890.74 = 15,408,046.80 : x
  2. Step 2: Convert to fraction form
    28,460,796.66/39,275,890.74 = 15,408,046.80/x
  3. Step 3: Cross multiply
    28,460,796.66x = 39,275,890.74 × 15,408,046.80
  4. Step 4: Simplify right side
    28,460,796.66x = 605,164,762,633,606.75
  5. Step 5: Solve for x
    x = 605,164,762,633,606.75/28,460,796.66
  6. Step 6: Final answer
    x = 21,263,099.90

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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.