Finding the Fourth Proportional to 13,235,054.96, 18,259,724.76 and 8,654,057.84
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Solution
The fourth proportional to 13,235,054.96, 18,259,724.76 and 8,654,057.84 is: 11,939,558.60
Step by Step Solution
- Step 1: Write the proportion equation
13,235,054.96 : 18,259,724.76 = 8,654,057.84 : x - Step 2: Convert to fraction form
13,235,054.96/18,259,724.76 = 8,654,057.84/x - Step 3: Cross multiply
13,235,054.96x = 18,259,724.76 × 8,654,057.84 - Step 4: Simplify right side
13,235,054.96x = 158,020,714,215,520.12 - Step 5: Solve for x
x = 158,020,714,215,520.12/13,235,054.96 - Step 6: Final answer
x = 11,939,558.60
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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.