Finding the Fourth Proportional to 15,764,995.08, 21,755,683.56 and 8,521,651.08
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Solution
The fourth proportional to 15,764,995.08, 21,755,683.56 and 8,521,651.08 is: 11,759,873.27
Step by Step Solution
- Step 1: Write the proportion equation
15,764,995.08 : 21,755,683.56 = 8,521,651.08 : x - Step 2: Convert to fraction form
15,764,995.08/21,755,683.56 = 8,521,651.08/x - Step 3: Cross multiply
15,764,995.08x = 21,755,683.56 × 8,521,651.08 - Step 4: Simplify right side
15,764,995.08x = 185,394,344,305,212.25 - Step 5: Solve for x
x = 185,394,344,305,212.25/15,764,995.08 - Step 6: Final answer
x = 11,759,873.27
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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.