Finding the Fourth Proportional to 8,589,972, 11,853,859.20 and 4,722,465.12
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Solution
The fourth proportional to 8,589,972, 11,853,859.20 and 4,722,465.12 is: 6,516,835.75
Step by Step Solution
- Step 1: Write the proportion equation
8,589,972 : 11,853,859.20 = 4,722,465.12 : x - Step 2: Convert to fraction form
8,589,972/11,853,859.20 = 4,722,465.12/x - Step 3: Cross multiply
8,589,972x = 11,853,859.20 × 4,722,465.12 - Step 4: Simplify right side
8,589,972x = 55,979,436,609,391.10 - Step 5: Solve for x
x = 55,979,436,609,391.10/8,589,972 - Step 6: Final answer
x = 6,516,835.75
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1.5x scale
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.