Finding the Fourth Proportional to 11,486,976.59, 15,852,030.62 and 6,259,986.32
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Solution
The fourth proportional to 11,486,976.59, 15,852,030.62 and 6,259,986.32 is: 8,638,782.70
Step by Step Solution
- Step 1: Write the proportion equation
11,486,976.59 : 15,852,030.62 = 6,259,986.32 : x - Step 2: Convert to fraction form
11,486,976.59/15,852,030.62 = 6,259,986.32/x - Step 3: Cross multiply
11,486,976.59x = 15,852,030.62 × 6,259,986.32 - Step 4: Simplify right side
11,486,976.59x = 99,233,494,714,861.05 - Step 5: Solve for x
x = 99,233,494,714,861.05/11,486,976.59 - Step 6: Final answer
x = 8,638,782.70
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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.