Finding the Fourth Proportional to 13,335,000, 18,398,566.80 and 8,373,976.32
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Solution
The fourth proportional to 13,335,000, 18,398,566.80 and 8,373,976.32 is: 11,553,742.99
Step by Step Solution
- Step 1: Write the proportion equation
13,335,000 : 18,398,566.80 = 8,373,976.32 : x - Step 2: Convert to fraction form
13,335,000/18,398,566.80 = 8,373,976.32/x - Step 3: Cross multiply
13,335,000x = 18,398,566.80 × 8,373,976.32 - Step 4: Simplify right side
13,335,000x = 154,069,162,705,138.19 - Step 5: Solve for x
x = 154,069,162,705,138.19/13,335,000 - Step 6: Final answer
x = 11,553,742.99
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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.