Finding the Fourth Proportional to 18,009,218.91, 24,852,716.76 and 9,749,275.08
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Solution
The fourth proportional to 18,009,218.91, 24,852,716.76 and 9,749,275.08 is: 13,453,996.72
Step by Step Solution
- Step 1: Write the proportion equation
18,009,218.91 : 24,852,716.76 = 9,749,275.08 : x - Step 2: Convert to fraction form
18,009,218.91/24,852,716.76 = 9,749,275.08/x - Step 3: Cross multiply
18,009,218.91x = 24,852,716.76 × 9,749,275.08 - Step 4: Simplify right side
18,009,218.91x = 242,295,972,178,566.34 - Step 5: Solve for x
x = 242,295,972,178,566.34/18,009,218.91 - Step 6: Final answer
x = 13,453,996.72
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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.