Finding the Fourth Proportional to 7,219,068.12, 10,831,013.96 and 2,361,596.13
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Solution
The fourth proportional to 7,219,068.12, 10,831,013.96 and 2,361,596.13 is: 3,543,183.17
Step by Step Solution
- Step 1: Write the proportion equation
7,219,068.12 : 10,831,013.96 = 2,361,596.13 : x - Step 2: Convert to fraction form
7,219,068.12/10,831,013.96 = 2,361,596.13/x - Step 3: Cross multiply
7,219,068.12x = 10,831,013.96 × 2,361,596.13 - Step 4: Simplify right side
7,219,068.12x = 25,578,480,640,103.99 - Step 5: Solve for x
x = 25,578,480,640,103.99/7,219,068.12 - Step 6: Final answer
x = 3,543,183.17
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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.