Finding the Fourth Proportional to 7,490,485.05, 10,336,869.36 and 4,052,726.07
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Solution
The fourth proportional to 7,490,485.05, 10,336,869.36 and 4,052,726.07 is: 5,592,761.97
Step by Step Solution
- Step 1: Write the proportion equation
7,490,485.05 : 10,336,869.36 = 4,052,726.07 : x - Step 2: Convert to fraction form
7,490,485.05/10,336,869.36 = 4,052,726.07/x - Step 3: Cross multiply
7,490,485.05x = 10,336,869.36 × 4,052,726.07 - Step 4: Simplify right side
7,490,485.05x = 41,892,499,937,456.21 - Step 5: Solve for x
x = 41,892,499,937,456.21/7,490,485.05 - Step 6: Final answer
x = 5,592,761.97
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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.