Finding the Fourth Proportional to 43,163,630.73, 64,749,751.75 and 12,458,954.45
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Solution
The fourth proportional to 43,163,630.73, 64,749,751.75 and 12,458,954.45 is: 18,689,674.48
Step by Step Solution
- Step 1: Write the proportion equation
43,163,630.73 : 64,749,751.75 = 12,458,954.45 : x - Step 2: Convert to fraction form
43,163,630.73/64,749,751.75 = 12,458,954.45/x - Step 3: Cross multiply
43,163,630.73x = 64,749,751.75 × 12,458,954.45 - Step 4: Simplify right side
43,163,630.73x = 806,714,207,879,505.88 - Step 5: Solve for x
x = 806,714,207,879,505.88/43,163,630.73 - Step 6: Final answer
x = 18,689,674.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.