Finding the Fourth Proportional to 19,635,615.14, 29,439,737.52 and 8,699,860.62
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Solution
The fourth proportional to 19,635,615.14, 29,439,737.52 and 8,699,860.62 is: 13,043,727.50
Step by Step Solution
- Step 1: Write the proportion equation
19,635,615.14 : 29,439,737.52 = 8,699,860.62 : x - Step 2: Convert to fraction form
19,635,615.14/29,439,737.52 = 8,699,860.62/x - Step 3: Cross multiply
19,635,615.14x = 29,439,737.52 × 8,699,860.62 - Step 4: Simplify right side
19,635,615.14x = 256,121,613,113,384.44 - Step 5: Solve for x
x = 256,121,613,113,384.44/19,635,615.14 - Step 6: Final answer
x = 13,043,727.50
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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.