Finding the Fourth Proportional to 11,198,013.46, 15,453,294.54 and 6,303,312.65
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Solution
The fourth proportional to 11,198,013.46, 15,453,294.54 and 6,303,312.65 is: 8,698,591.71
Step by Step Solution
- Step 1: Write the proportion equation
11,198,013.46 : 15,453,294.54 = 6,303,312.65 : x - Step 2: Convert to fraction form
11,198,013.46/15,453,294.54 = 6,303,312.65/x - Step 3: Cross multiply
11,198,013.46x = 15,453,294.54 × 6,303,312.65 - Step 4: Simplify right side
11,198,013.46x = 97,406,946,958,157.94 - Step 5: Solve for x
x = 97,406,946,958,157.94/11,198,013.46 - Step 6: Final answer
x = 8,698,591.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.