Finding the Fourth Proportional to 27,202,319.70, 40,803,479.55 and 7,007,561.70
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Solution
The fourth proportional to 27,202,319.70, 40,803,479.55 and 7,007,561.70 is: 10,511,342.55
Step by Step Solution
- Step 1: Write the proportion equation
27,202,319.70 : 40,803,479.55 = 7,007,561.70 : x - Step 2: Convert to fraction form
27,202,319.70/40,803,479.55 = 7,007,561.70/x - Step 3: Cross multiply
27,202,319.70x = 40,803,479.55 × 7,007,561.70 - Step 4: Simplify right side
27,202,319.70x = 285,932,900,521,313.25 - Step 5: Solve for x
x = 285,932,900,521,313.25/27,202,319.70 - Step 6: Final answer
x = 10,511,342.55
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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.