Finding the Fourth Proportional to 7,245,430.06, 10,867,478.70 and 2,452,571.50
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Solution
The fourth proportional to 7,245,430.06, 10,867,478.70 and 2,452,571.50 is: 3,678,631.68
Step by Step Solution
- Step 1: Write the proportion equation
7,245,430.06 : 10,867,478.70 = 2,452,571.50 : x - Step 2: Convert to fraction form
7,245,430.06/10,867,478.70 = 2,452,571.50/x - Step 3: Cross multiply
7,245,430.06x = 10,867,478.70 × 2,452,571.50 - Step 4: Simplify right side
7,245,430.06x = 26,653,268,536,477.05 - Step 5: Solve for x
x = 26,653,268,536,477.05/7,245,430.06 - Step 6: Final answer
x = 3,678,631.68
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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.