Home / 15,284,544.81-21,092,671.13-8,408,879.25

Finding the Fourth Proportional to 15,284,544.81, 21,092,671.13 and 8,408,879.25

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Solution

The fourth proportional to 15,284,544.81, 21,092,671.13 and 8,408,879.25 is: 11,604,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284,544.81 : 21,092,671.13 = 8,408,879.25 : x
  2. Step 2: Convert to fraction form
    15,284,544.81/21,092,671.13 = 8,408,879.25/x
  3. Step 3: Cross multiply
    15,284,544.81x = 21,092,671.13 × 8,408,879.25
  4. Step 4: Simplify right side
    15,284,544.81x = 177,365,724,550,086.66
  5. Step 5: Solve for x
    x = 177,365,724,550,086.66/15,284,544.81
  6. Step 6: Final answer
    x = 11,604,252.97

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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.