Finding the Fourth Proportional to 22,879,249.98, 31,565,683.08 and 12,954,778.80
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Solution
The fourth proportional to 22,879,249.98, 31,565,683.08 and 12,954,778.80 is: 17,873,245.07
Step by Step Solution
- Step 1: Write the proportion equation
22,879,249.98 : 31,565,683.08 = 12,954,778.80 : x - Step 2: Convert to fraction form
22,879,249.98/31,565,683.08 = 12,954,778.80/x - Step 3: Cross multiply
22,879,249.98x = 31,565,683.08 × 12,954,778.80 - Step 4: Simplify right side
22,879,249.98x = 408,926,441,972,302.69 - Step 5: Solve for x
x = 408,926,441,972,302.69/22,879,249.98 - Step 6: Final answer
x = 17,873,245.07
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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.