Finding the Fourth Proportional to 19,888,222.25, 29,832,248.32 and 5,511,248.75
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Solution
The fourth proportional to 19,888,222.25, 29,832,248.32 and 5,511,248.75 is: 8,266,849.56
Step by Step Solution
- Step 1: Write the proportion equation
19,888,222.25 : 29,832,248.32 = 5,511,248.75 : x - Step 2: Convert to fraction form
19,888,222.25/29,832,248.32 = 5,511,248.75/x - Step 3: Cross multiply
19,888,222.25x = 29,832,248.32 × 5,511,248.75 - Step 4: Simplify right side
19,888,222.25x = 164,412,941,263,289.59 - Step 5: Solve for x
x = 164,412,941,263,289.59/19,888,222.25 - Step 6: Final answer
x = 8,266,849.56
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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.