Finding the Fourth Proportional to 11,053,572.15, 15,253,321.10 and 6,091,036.23
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Solution
The fourth proportional to 11,053,572.15, 15,253,321.10 and 6,091,036.23 is: 8,405,294.70
Step by Step Solution
- Step 1: Write the proportion equation
11,053,572.15 : 15,253,321.10 = 6,091,036.23 : x - Step 2: Convert to fraction form
11,053,572.15/15,253,321.10 = 6,091,036.23/x - Step 3: Cross multiply
11,053,572.15x = 15,253,321.10 × 6,091,036.23 - Step 4: Simplify right side
11,053,572.15x = 92,908,531,417,468.28 - Step 5: Solve for x
x = 92,908,531,417,468.28/11,053,572.15 - Step 6: Final answer
x = 8,405,294.70
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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.