Finding the Fourth Proportional to 18,678,479.57, 27,991,382 and 8,820,024.13
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Solution
The fourth proportional to 18,678,479.57, 27,991,382 and 8,820,024.13 is: 13,217,599.63
Step by Step Solution
- Step 1: Write the proportion equation
18,678,479.57 : 27,991,382 = 8,820,024.13 : x - Step 2: Convert to fraction form
18,678,479.57/27,991,382 = 8,820,024.13/x - Step 3: Cross multiply
18,678,479.57x = 27,991,382 × 8,820,024.13 - Step 4: Simplify right side
18,678,479.57x = 246,884,664,672,047.69 - Step 5: Solve for x
x = 246,884,664,672,047.69/18,678,479.57 - Step 6: Final answer
x = 13,217,599.63
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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.