Finding the Fourth Proportional to 12,285,958.16, 16,954,602.24 and 6,779,328.68
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Solution
The fourth proportional to 12,285,958.16, 16,954,602.24 and 6,779,328.68 is: 9,355,462.53
Step by Step Solution
- Step 1: Write the proportion equation
12,285,958.16 : 16,954,602.24 = 6,779,328.68 : x - Step 2: Convert to fraction form
12,285,958.16/16,954,602.24 = 6,779,328.68/x - Step 3: Cross multiply
12,285,958.16x = 16,954,602.24 × 6,779,328.68 - Step 4: Simplify right side
12,285,958.16x = 114,940,821,223,624.23 - Step 5: Solve for x
x = 114,940,821,223,624.23/12,285,958.16 - Step 6: Final answer
x = 9,355,462.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.