Finding the Fourth Proportional to 11,486,965.65, 15,852,015.26 and 6,259,975.27
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Solution
The fourth proportional to 11,486,965.65, 15,852,015.26 and 6,259,975.27 is: 8,638,767.32
Step by Step Solution
- Step 1: Write the proportion equation
11,486,965.65 : 15,852,015.26 = 6,259,975.27 : x - Step 2: Convert to fraction form
11,486,965.65/15,852,015.26 = 6,259,975.27/x - Step 3: Cross multiply
11,486,965.65x = 15,852,015.26 × 6,259,975.27 - Step 4: Simplify right side
11,486,965.65x = 99,233,223,507,262.61 - Step 5: Solve for x
x = 99,233,223,507,262.61/11,486,965.65 - Step 6: Final answer
x = 8,638,767.32
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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.