Finding the Fourth Proportional to 9,713,782.36, 13,405,039.62 and 5,362,877.08
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Solution
The fourth proportional to 9,713,782.36, 13,405,039.62 and 5,362,877.08 is: 7,400,781.39
Step by Step Solution
- Step 1: Write the proportion equation
9,713,782.36 : 13,405,039.62 = 5,362,877.08 : x - Step 2: Convert to fraction form
9,713,782.36/13,405,039.62 = 5,362,877.08/x - Step 3: Cross multiply
9,713,782.36x = 13,405,039.62 × 5,362,877.08 - Step 4: Simplify right side
9,713,782.36x = 71,889,579,734,589.91 - Step 5: Solve for x
x = 71,889,579,734,589.91/9,713,782.36 - Step 6: Final answer
x = 7,400,781.39
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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.