Finding the Fourth Proportional to 18,459,409.08, 27,706,492.70 and 9,368,031.28
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Solution
The fourth proportional to 18,459,409.08, 27,706,492.70 and 9,368,031.28 is: 14,060,866.69
Step by Step Solution
- Step 1: Write the proportion equation
18,459,409.08 : 27,706,492.70 = 9,368,031.28 : x - Step 2: Convert to fraction form
18,459,409.08/27,706,492.70 = 9,368,031.28/x - Step 3: Cross multiply
18,459,409.08x = 27,706,492.70 × 9,368,031.28 - Step 4: Simplify right side
18,459,409.08x = 259,555,290,272,691.62 - Step 5: Solve for x
x = 259,555,290,272,691.62/18,459,409.08 - Step 6: Final answer
x = 14,060,866.69
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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.