Finding the Fourth Proportional to 21,474,940.65, 29,635,168.99 and 11,685,216.17
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Solution
The fourth proportional to 21,474,940.65, 29,635,168.99 and 11,685,216.17 is: 16,125,462.77
Step by Step Solution
- Step 1: Write the proportion equation
21,474,940.65 : 29,635,168.99 = 11,685,216.17 : x - Step 2: Convert to fraction form
21,474,940.65/29,635,168.99 = 11,685,216.17/x - Step 3: Cross multiply
21,474,940.65x = 29,635,168.99 × 11,685,216.17 - Step 4: Simplify right side
21,474,940.65x = 346,293,355,927,505.44 - Step 5: Solve for x
x = 346,293,355,927,505.44/21,474,940.65 - Step 6: Final answer
x = 16,125,462.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.