Finding the Fourth Proportional to 21,141,239.36, 29,177,330.58 and 11,851,318.53
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Solution
The fourth proportional to 21,141,239.36, 29,177,330.58 and 11,851,318.53 is: 16,356,176.32
Step by Step Solution
- Step 1: Write the proportion equation
21,141,239.36 : 29,177,330.58 = 11,851,318.53 : x - Step 2: Convert to fraction form
21,141,239.36/29,177,330.58 = 11,851,318.53/x - Step 3: Cross multiply
21,141,239.36x = 29,177,330.58 × 11,851,318.53 - Step 4: Simplify right side
21,141,239.36x = 345,789,838,558,689.62 - Step 5: Solve for x
x = 345,789,838,558,689.62/21,141,239.36 - Step 6: Final answer
x = 16,356,176.32
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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.