Finding the Fourth Proportional to 19,887,881.37, 29,832,463.62 and 5,511,087.69
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Solution
The fourth proportional to 19,887,881.37, 29,832,463.62 and 5,511,087.69 is: 8,266,809.32
Step by Step Solution
- Step 1: Write the proportion equation
19,887,881.37 : 29,832,463.62 = 5,511,087.69 : x - Step 2: Convert to fraction form
19,887,881.37/29,832,463.62 = 5,511,087.69/x - Step 3: Cross multiply
19,887,881.37x = 29,832,463.62 × 5,511,087.69 - Step 4: Simplify right side
19,887,881.37x = 164,409,323,018,554.84 - Step 5: Solve for x
x = 164,409,323,018,554.84/19,887,881.37 - Step 6: Final answer
x = 8,266,809.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.