Finding the Fourth Proportional to 11,452,864.54, 15,805,254.82 and 6,296,355.94
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Solution
The fourth proportional to 11,452,864.54, 15,805,254.82 and 6,296,355.94 is: 8,689,137.09
Step by Step Solution
- Step 1: Write the proportion equation
11,452,864.54 : 15,805,254.82 = 6,296,355.94 : x - Step 2: Convert to fraction form
11,452,864.54/15,805,254.82 = 6,296,355.94/x - Step 3: Cross multiply
11,452,864.54x = 15,805,254.82 × 6,296,355.94 - Step 4: Simplify right side
11,452,864.54x = 99,515,510,069,120.64 - Step 5: Solve for x
x = 99,515,510,069,120.64/11,452,864.54 - Step 6: Final answer
x = 8,689,137.09
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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.