Finding the Fourth Proportional to 12,342,799.08, 18,515,416.80 and 4,254,709.92
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Solution
The fourth proportional to 12,342,799.08, 18,515,416.80 and 4,254,709.92 is: 6,382,484.80
Step by Step Solution
- Step 1: Write the proportion equation
12,342,799.08 : 18,515,416.80 = 4,254,709.92 : x - Step 2: Convert to fraction form
12,342,799.08/18,515,416.80 = 4,254,709.92/x - Step 3: Cross multiply
12,342,799.08x = 18,515,416.80 × 4,254,709.92 - Step 4: Simplify right side
12,342,799.08x = 78,777,727,531,894.66 - Step 5: Solve for x
x = 78,777,727,531,894.66/12,342,799.08 - Step 6: Final answer
x = 6,382,484.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.