Finding the Fourth Proportional to 19,376,189.36, 29,054,194.68 and 7,235,669.60
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Solution
The fourth proportional to 19,376,189.36, 29,054,194.68 and 7,235,669.60 is: 10,849,736.72
Step by Step Solution
- Step 1: Write the proportion equation
19,376,189.36 : 29,054,194.68 = 7,235,669.60 : x - Step 2: Convert to fraction form
19,376,189.36/29,054,194.68 = 7,235,669.60/x - Step 3: Cross multiply
19,376,189.36x = 29,054,194.68 × 7,235,669.60 - Step 4: Simplify right side
19,376,189.36x = 210,226,553,198,557.72 - Step 5: Solve for x
x = 210,226,553,198,557.72/19,376,189.36 - Step 6: Final answer
x = 10,849,736.72
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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.