Finding the Fourth Proportional to 11,392,105.19, 15,721,252.83 and 6,235,356.02
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Solution
The fourth proportional to 11,392,105.19, 15,721,252.83 and 6,235,356.02 is: 8,604,872.13
Step by Step Solution
- Step 1: Write the proportion equation
11,392,105.19 : 15,721,252.83 = 6,235,356.02 : x - Step 2: Convert to fraction form
11,392,105.19/15,721,252.83 = 6,235,356.02/x - Step 3: Cross multiply
11,392,105.19x = 15,721,252.83 × 6,235,356.02 - Step 4: Simplify right side
11,392,105.19x = 98,027,608,444,305.75 - Step 5: Solve for x
x = 98,027,608,444,305.75/11,392,105.19 - Step 6: Final answer
x = 8,604,872.13
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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.