Finding the Fourth Proportional to 12,727,824.96, 19,084,121.76 and 8,634,176.16
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Solution
The fourth proportional to 12,727,824.96, 19,084,121.76 and 8,634,176.16 is: 12,946,097.99
Step by Step Solution
- Step 1: Write the proportion equation
12,727,824.96 : 19,084,121.76 = 8,634,176.16 : x - Step 2: Convert to fraction form
12,727,824.96/19,084,121.76 = 8,634,176.16/x - Step 3: Cross multiply
12,727,824.96x = 19,084,121.76 × 8,634,176.16 - Step 4: Simplify right side
12,727,824.96x = 164,775,669,134,729.25 - Step 5: Solve for x
x = 164,775,669,134,729.25/12,727,824.96 - Step 6: Final answer
x = 12,946,097.99
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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.