Finding the Fourth Proportional to 43,155,536.40, 64,737,633.96 and 12,450,876.12
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Solution
The fourth proportional to 43,155,536.40, 64,737,633.96 and 12,450,876.12 is: 18,677,563.25
Step by Step Solution
- Step 1: Write the proportion equation
43,155,536.40 : 64,737,633.96 = 12,450,876.12 : x - Step 2: Convert to fraction form
43,155,536.40/64,737,633.96 = 12,450,876.12/x - Step 3: Cross multiply
43,155,536.40x = 64,737,633.96 × 12,450,876.12 - Step 4: Simplify right side
43,155,536.40x = 806,040,260,737,865 - Step 5: Solve for x
x = 806,040,260,737,865/43,155,536.40 - Step 6: Final answer
x = 18,677,563.25
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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.