Finding the Fourth Proportional to 11,512,888.63, 15,889,179.48 and 6,552,536.01
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Solution
The fourth proportional to 11,512,888.63, 15,889,179.48 and 6,552,536.01 is: 9,043,292.62
Step by Step Solution
- Step 1: Write the proportion equation
11,512,888.63 : 15,889,179.48 = 6,552,536.01 : x - Step 2: Convert to fraction form
11,512,888.63/15,889,179.48 = 6,552,536.01/x - Step 3: Cross multiply
11,512,888.63x = 15,889,179.48 × 6,552,536.01 - Step 4: Simplify right side
11,512,888.63x = 104,114,420,736,625.08 - Step 5: Solve for x
x = 104,114,420,736,625.08/11,512,888.63 - Step 6: Final answer
x = 9,043,292.62
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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.