Finding the Fourth Proportional to 8,954,354.09, 12,357,446.70 and 5,035,343.54
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Solution
The fourth proportional to 8,954,354.09, 12,357,446.70 and 5,035,343.54 is: 6,949,020.42
Step by Step Solution
- Step 1: Write the proportion equation
8,954,354.09 : 12,357,446.70 = 5,035,343.54 : x - Step 2: Convert to fraction form
8,954,354.09/12,357,446.70 = 5,035,343.54/x - Step 3: Cross multiply
8,954,354.09x = 12,357,446.70 × 5,035,343.54 - Step 4: Simplify right side
8,954,354.09x = 62,223,989,411,739.31 - Step 5: Solve for x
x = 62,223,989,411,739.31/8,954,354.09 - Step 6: Final answer
x = 6,949,020.42
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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.