Finding the Fourth Proportional to 18,539,598.72, 27,811,497.60 and 16,634,634.24
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Solution
The fourth proportional to 18,539,598.72, 27,811,497.60 and 16,634,634.24 is: 24,953,835.15
Step by Step Solution
- Step 1: Write the proportion equation
18,539,598.72 : 27,811,497.60 = 16,634,634.24 : x - Step 2: Convert to fraction form
18,539,598.72/27,811,497.60 = 16,634,634.24/x - Step 3: Cross multiply
18,539,598.72x = 27,811,497.60 × 16,634,634.24 - Step 4: Simplify right side
18,539,598.72x = 462,634,090,242,637.88 - Step 5: Solve for x
x = 462,634,090,242,637.88/18,539,598.72 - Step 6: Final answer
x = 24,953,835.15
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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.