Finding the Fourth Proportional to 34,458,868.50, 51,688,116.66 and 19,876,336.44
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Solution
The fourth proportional to 34,458,868.50, 51,688,116.66 and 19,876,336.44 is: 29,814,397.32
Step by Step Solution
- Step 1: Write the proportion equation
34,458,868.50 : 51,688,116.66 = 19,876,336.44 : x - Step 2: Convert to fraction form
34,458,868.50/51,688,116.66 = 19,876,336.44/x - Step 3: Cross multiply
34,458,868.50x = 51,688,116.66 × 19,876,336.44 - Step 4: Simplify right side
34,458,868.50x = 1,027,370,396,684,129.12 - Step 5: Solve for x
x = 1,027,370,396,684,129.12/34,458,868.50 - Step 6: Final answer
x = 29,814,397.32
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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.