Finding the Fourth Proportional to 19,798,815.30, 29,656,232.55 and 16,439,583.30
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Solution
The fourth proportional to 19,798,815.30, 29,656,232.55 and 16,439,583.30 is: 24,624,508.99
Step by Step Solution
- Step 1: Write the proportion equation
19,798,815.30 : 29,656,232.55 = 16,439,583.30 : x - Step 2: Convert to fraction form
19,798,815.30/29,656,232.55 = 16,439,583.30/x - Step 3: Cross multiply
19,798,815.30x = 29,656,232.55 × 16,439,583.30 - Step 4: Simplify right side
19,798,815.30x = 487,536,105,369,896.44 - Step 5: Solve for x
x = 487,536,105,369,896.44/19,798,815.30 - Step 6: Final answer
x = 24,624,508.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.