Finding the Fourth Proportional to 34,132,891.60, 51,258,319.80 and 18,207,643.60
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Solution
The fourth proportional to 34,132,891.60, 51,258,319.80 and 18,207,643.60 is: 27,342,928.62
Step by Step Solution
- Step 1: Write the proportion equation
34,132,891.60 : 51,258,319.80 = 18,207,643.60 : x - Step 2: Convert to fraction form
34,132,891.60/51,258,319.80 = 18,207,643.60/x - Step 3: Cross multiply
34,132,891.60x = 51,258,319.80 × 18,207,643.60 - Step 4: Simplify right side
34,132,891.60x = 933,293,218,453,223.25 - Step 5: Solve for x
x = 933,293,218,453,223.25/34,132,891.60 - Step 6: Final answer
x = 27,342,928.62
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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.