Finding the Fourth Proportional to 7,036,362.30, 9,705,174.24 and 6,457,454.85
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Solution
The fourth proportional to 7,036,362.30, 9,705,174.24 and 6,457,454.85 is: 8,906,693.80
Step by Step Solution
- Step 1: Write the proportion equation
7,036,362.30 : 9,705,174.24 = 6,457,454.85 : x - Step 2: Convert to fraction form
7,036,362.30/9,705,174.24 = 6,457,454.85/x - Step 3: Cross multiply
7,036,362.30x = 9,705,174.24 × 6,457,454.85 - Step 4: Simplify right side
7,036,362.30x = 62,670,724,466,183.06 - Step 5: Solve for x
x = 62,670,724,466,183.06/7,036,362.30 - Step 6: Final answer
x = 8,906,693.80
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1.5x scale
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.