Finding the Fourth Proportional to 10,368,912.45, 15,553,368.68 and 6,585,110.85
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Solution
The fourth proportional to 10,368,912.45, 15,553,368.68 and 6,585,110.85 is: 9,877,666.28
Step by Step Solution
- Step 1: Write the proportion equation
10,368,912.45 : 15,553,368.68 = 6,585,110.85 : x - Step 2: Convert to fraction form
10,368,912.45/15,553,368.68 = 6,585,110.85/x - Step 3: Cross multiply
10,368,912.45x = 15,553,368.68 × 6,585,110.85 - Step 4: Simplify right side
10,368,912.45x = 102,420,656,848,718.17 - Step 5: Solve for x
x = 102,420,656,848,718.17/10,368,912.45 - Step 6: Final answer
x = 9,877,666.28
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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.