Finding the Fourth Proportional to 19,858,602.92, 29,788,201.51 and 7,563,245.28
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Solution
The fourth proportional to 19,858,602.92, 29,788,201.51 and 7,563,245.28 is: 11,344,981.09
Step by Step Solution
- Step 1: Write the proportion equation
19,858,602.92 : 29,788,201.51 = 7,563,245.28 : x - Step 2: Convert to fraction form
19,858,602.92/29,788,201.51 = 7,563,245.28/x - Step 3: Cross multiply
19,858,602.92x = 29,788,201.51 × 7,563,245.28 - Step 4: Simplify right side
19,858,602.92x = 225,295,474,546,907 - Step 5: Solve for x
x = 225,295,474,546,907/19,858,602.92 - Step 6: Final answer
x = 11,344,981.09
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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.