Finding the Fourth Proportional to 15,471,597.66, 21,351,342.87 and 8,596,369.50
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Solution
The fourth proportional to 15,471,597.66, 21,351,342.87 and 8,596,369.50 is: 11,863,288.89
Step by Step Solution
- Step 1: Write the proportion equation
15,471,597.66 : 21,351,342.87 = 8,596,369.50 : x - Step 2: Convert to fraction form
15,471,597.66/21,351,342.87 = 8,596,369.50/x - Step 3: Cross multiply
15,471,597.66x = 21,351,342.87 × 8,596,369.50 - Step 4: Simplify right side
15,471,597.66x = 183,544,032,631,710.47 - Step 5: Solve for x
x = 183,544,032,631,710.47/15,471,597.66 - Step 6: Final answer
x = 11,863,288.89
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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.