Finding the Fourth Proportional to 11,246,409.42, 15,521,190.63 and 8,109,253.68
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Solution
The fourth proportional to 11,246,409.42, 15,521,190.63 and 8,109,253.68 is: 11,191,596.14
Step by Step Solution
- Step 1: Write the proportion equation
11,246,409.42 : 15,521,190.63 = 8,109,253.68 : x - Step 2: Convert to fraction form
11,246,409.42/15,521,190.63 = 8,109,253.68/x - Step 3: Cross multiply
11,246,409.42x = 15,521,190.63 × 8,109,253.68 - Step 4: Simplify right side
11,246,409.42x = 125,865,272,234,309.02 - Step 5: Solve for x
x = 125,865,272,234,309.02/11,246,409.42 - Step 6: Final answer
x = 11,191,596.14
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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.