Finding the Fourth Proportional to 7,124,244.57, 9,831,418.62 and 3,861,024.60
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Solution
The fourth proportional to 7,124,244.57, 9,831,418.62 and 3,861,024.60 is: 5,328,192.87
Step by Step Solution
- Step 1: Write the proportion equation
7,124,244.57 : 9,831,418.62 = 3,861,024.60 : x - Step 2: Convert to fraction form
7,124,244.57/9,831,418.62 = 3,861,024.60/x - Step 3: Cross multiply
7,124,244.57x = 9,831,418.62 × 3,861,024.60 - Step 4: Simplify right side
7,124,244.57x = 37,959,349,144,718.05 - Step 5: Solve for x
x = 37,959,349,144,718.05/7,124,244.57 - Step 6: Final answer
x = 5,328,192.87
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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.