Finding the Fourth Proportional to 10,206,331.70, 14,084,736.99 and 5,622,653.07
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Solution
The fourth proportional to 10,206,331.70, 14,084,736.99 and 5,622,653.07 is: 7,759,260.82
Step by Step Solution
- Step 1: Write the proportion equation
10,206,331.70 : 14,084,736.99 = 5,622,653.07 : x - Step 2: Convert to fraction form
10,206,331.70/14,084,736.99 = 5,622,653.07/x - Step 3: Cross multiply
10,206,331.70x = 14,084,736.99 × 5,622,653.07 - Step 4: Simplify right side
10,206,331.70x = 79,193,589,687,508.55 - Step 5: Solve for x
x = 79,193,589,687,508.55/10,206,331.70 - Step 6: Final answer
x = 7,759,260.82
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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.