Finding the Fourth Proportional to 21,093,437,599.32, 29,133,102,852 and 13,891,678,587.84
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Solution
The fourth proportional to 21,093,437,599.32, 29,133,102,852 and 13,891,678,587.84 is: 19,186,427,019.35
Step by Step Solution
- Step 1: Write the proportion equation
21,093,437,599.32 : 29,133,102,852 = 13,891,678,587.84 : x - Step 2: Convert to fraction form
21,093,437,599.32/29,133,102,852 = 13,891,678,587.84/x - Step 3: Cross multiply
21,093,437,599.32x = 29,133,102,852 × 13,891,678,587.84 - Step 4: Simplify right side
21,093,437,599.32x = 404,707,701,086,468,833,280 - Step 5: Solve for x
x = 404,707,701,086,468,833,280/21,093,437,599.32 - Step 6: Final answer
x = 19,186,427,019.35
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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.