Finding the Fourth Proportional to 11,008,117.70, 16,512,176.55 and 9,378,365.30
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Solution
The fourth proportional to 11,008,117.70, 16,512,176.55 and 9,378,365.30 is: 14,067,547.95
Step by Step Solution
- Step 1: Write the proportion equation
11,008,117.70 : 16,512,176.55 = 9,378,365.30 : x - Step 2: Convert to fraction form
11,008,117.70/16,512,176.55 = 9,378,365.30/x - Step 3: Cross multiply
11,008,117.70x = 16,512,176.55 × 9,378,365.30 - Step 4: Simplify right side
11,008,117.70x = 154,857,223,583,993.72 - Step 5: Solve for x
x = 154,857,223,583,993.72/11,008,117.70 - Step 6: Final answer
x = 14,067,547.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.