Finding the Fourth Proportional to 12,125,558.24, 18,186,863.16 and 7,577,012.96
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Solution
The fourth proportional to 12,125,558.24, 18,186,863.16 and 7,577,012.96 is: 11,364,598.24
Step by Step Solution
- Step 1: Write the proportion equation
12,125,558.24 : 18,186,863.16 = 7,577,012.96 : x - Step 2: Convert to fraction form
12,125,558.24/18,186,863.16 = 7,577,012.96/x - Step 3: Cross multiply
12,125,558.24x = 18,186,863.16 × 7,577,012.96 - Step 4: Simplify right side
12,125,558.24x = 137,802,097,865,066.55 - Step 5: Solve for x
x = 137,802,097,865,066.55/12,125,558.24 - Step 6: Final answer
x = 11,364,598.24
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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.