Finding the Fourth Proportional to 7,526,516.52, 10,386,601.74 and 4,088,759.88
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Solution
The fourth proportional to 7,526,516.52, 10,386,601.74 and 4,088,759.88 is: 5,642,493.49
Step by Step Solution
- Step 1: Write the proportion equation
7,526,516.52 : 10,386,601.74 = 4,088,759.88 : x - Step 2: Convert to fraction form
7,526,516.52/10,386,601.74 = 4,088,759.88/x - Step 3: Cross multiply
7,526,516.52x = 10,386,601.74 × 4,088,759.88 - Step 4: Simplify right side
7,526,516.52x = 42,468,320,484,050.19 - Step 5: Solve for x
x = 42,468,320,484,050.19/7,526,516.52 - Step 6: Final answer
x = 5,642,493.49
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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.