Finding the Fourth Proportional to 11,243,328.66, 15,515,828.55 and 6,086,677.95
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Solution
The fourth proportional to 11,243,328.66, 15,515,828.55 and 6,086,677.95 is: 8,399,634.52
Step by Step Solution
- Step 1: Write the proportion equation
11,243,328.66 : 15,515,828.55 = 6,086,677.95 : x - Step 2: Convert to fraction form
11,243,328.66/15,515,828.55 = 6,086,677.95/x - Step 3: Cross multiply
11,243,328.66x = 15,515,828.55 × 6,086,677.95 - Step 4: Simplify right side
11,243,328.66x = 94,439,851,511,265.48 - Step 5: Solve for x
x = 94,439,851,511,265.48/11,243,328.66 - Step 6: Final answer
x = 8,399,634.52
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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.