Finding the Fourth Proportional to 13,363,563.93, 18,441,730.02 and 7,251,992.43
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Solution
The fourth proportional to 13,363,563.93, 18,441,730.02 and 7,251,992.43 is: 10,007,755.96
Step by Step Solution
- Step 1: Write the proportion equation
13,363,563.93 : 18,441,730.02 = 7,251,992.43 : x - Step 2: Convert to fraction form
13,363,563.93/18,441,730.02 = 7,251,992.43/x - Step 3: Cross multiply
13,363,563.93x = 18,441,730.02 × 7,251,992.43 - Step 4: Simplify right side
13,363,563.93x = 133,739,286,501,143.73 - Step 5: Solve for x
x = 133,739,286,501,143.73/13,363,563.93 - Step 6: Final answer
x = 10,007,755.96
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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.