Finding the Fourth Proportional to 13,907,116.68, 20,866,414.68 and 7,509,835.50
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Solution
The fourth proportional to 13,907,116.68, 20,866,414.68 and 7,509,835.50 is: 11,267,852.66
Step by Step Solution
- Step 1: Write the proportion equation
13,907,116.68 : 20,866,414.68 = 7,509,835.50 : x - Step 2: Convert to fraction form
13,907,116.68/20,866,414.68 = 7,509,835.50/x - Step 3: Cross multiply
13,907,116.68x = 20,866,414.68 × 7,509,835.50 - Step 4: Simplify right side
13,907,116.68x = 156,703,341,721,585.12 - Step 5: Solve for x
x = 156,703,341,721,585.12/13,907,116.68 - Step 6: Final answer
x = 11,267,852.66
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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.