Finding the Fourth Proportional to 7,242,101.92, 9,989,943.42 and 4,521,124
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Solution
The fourth proportional to 7,242,101.92, 9,989,943.42 and 4,521,124 is: 6,236,555.83
Step by Step Solution
- Step 1: Write the proportion equation
7,242,101.92 : 9,989,943.42 = 4,521,124 : x - Step 2: Convert to fraction form
7,242,101.92/9,989,943.42 = 4,521,124/x - Step 3: Cross multiply
7,242,101.92x = 9,989,943.42 × 4,521,124 - Step 4: Simplify right side
7,242,101.92x = 45,165,772,954,804.08 - Step 5: Solve for x
x = 45,165,772,954,804.08/7,242,101.92 - Step 6: Final answer
x = 6,236,555.83
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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.