Finding the Fourth Proportional to 8,737,187.21, 12,056,989.51 and 5,066,258.70
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Solution
The fourth proportional to 8,737,187.21, 12,056,989.51 and 5,066,258.70 is: 6,991,246.33
Step by Step Solution
- Step 1: Write the proportion equation
8,737,187.21 : 12,056,989.51 = 5,066,258.70 : x - Step 2: Convert to fraction form
8,737,187.21/12,056,989.51 = 5,066,258.70/x - Step 3: Cross multiply
8,737,187.21x = 12,056,989.51 × 5,066,258.70 - Step 4: Simplify right side
8,737,187.21x = 61,083,827,975,514.95 - Step 5: Solve for x
x = 61,083,827,975,514.95/8,737,187.21 - Step 6: Final answer
x = 6,991,246.33
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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.