Finding the Fourth Proportional to 12,485,968.64, 18,730,453.20 and 4,397,273.12
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Solution
The fourth proportional to 12,485,968.64, 18,730,453.20 and 4,397,273.12 is: 6,596,438.03
Step by Step Solution
- Step 1: Write the proportion equation
12,485,968.64 : 18,730,453.20 = 4,397,273.12 : x - Step 2: Convert to fraction form
12,485,968.64/18,730,453.20 = 4,397,273.12/x - Step 3: Cross multiply
12,485,968.64x = 18,730,453.20 × 4,397,273.12 - Step 4: Simplify right side
12,485,968.64x = 82,362,918,381,777.98 - Step 5: Solve for x
x = 82,362,918,381,777.98/12,485,968.64 - Step 6: Final answer
x = 6,596,438.03
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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.