Finding the Fourth Proportional to 10,247,639.08, 15,372,252.24 and 3,424,235.92
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Solution
The fourth proportional to 10,247,639.08, 15,372,252.24 and 3,424,235.92 is: 5,136,619.07
Step by Step Solution
- Step 1: Write the proportion equation
10,247,639.08 : 15,372,252.24 = 3,424,235.92 : x - Step 2: Convert to fraction form
10,247,639.08/15,372,252.24 = 3,424,235.92/x - Step 3: Cross multiply
10,247,639.08x = 15,372,252.24 × 3,424,235.92 - Step 4: Simplify right side
10,247,639.08x = 52,638,218,291,508.46 - Step 5: Solve for x
x = 52,638,218,291,508.46/10,247,639.08 - Step 6: Final answer
x = 5,136,619.07
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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.