Finding the Fourth Proportional to 21,730,852.41, 29,988,814.99 and 11,941,299.12
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Solution
The fourth proportional to 21,730,852.41, 29,988,814.99 and 11,941,299.12 is: 16,479,123.93
Step by Step Solution
- Step 1: Write the proportion equation
21,730,852.41 : 29,988,814.99 = 11,941,299.12 : x - Step 2: Convert to fraction form
21,730,852.41/29,988,814.99 = 11,941,299.12/x - Step 3: Cross multiply
21,730,852.41x = 29,988,814.99 × 11,941,299.12 - Step 4: Simplify right side
21,730,852.41x = 358,105,410,049,929.75 - Step 5: Solve for x
x = 358,105,410,049,929.75/21,730,852.41 - Step 6: Final answer
x = 16,479,123.93
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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.