Finding the Fourth Proportional to 7,266,230.70, 10,899,346.05 and 6,146,486.70
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Solution
The fourth proportional to 7,266,230.70, 10,899,346.05 and 6,146,486.70 is: 9,219,730.05
Step by Step Solution
- Step 1: Write the proportion equation
7,266,230.70 : 10,899,346.05 = 6,146,486.70 : x - Step 2: Convert to fraction form
7,266,230.70/10,899,346.05 = 6,146,486.70/x - Step 3: Cross multiply
7,266,230.70x = 10,899,346.05 × 6,146,486.70 - Step 4: Simplify right side
7,266,230.70x = 66,992,685,535,022.54 - Step 5: Solve for x
x = 66,992,685,535,022.54/7,266,230.70 - Step 6: Final answer
x = 9,219,730.05
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1.5x scale
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.