Finding the Fourth Proportional to 7,366,989.24, 10,170,659.16 and 4,889,569.68
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Solution
The fourth proportional to 7,366,989.24, 10,170,659.16 and 4,889,569.68 is: 6,750,403.05
Step by Step Solution
- Step 1: Write the proportion equation
7,366,989.24 : 10,170,659.16 = 4,889,569.68 : x - Step 2: Convert to fraction form
7,366,989.24/10,170,659.16 = 4,889,569.68/x - Step 3: Cross multiply
7,366,989.24x = 10,170,659.16 × 4,889,569.68 - Step 4: Simplify right side
7,366,989.24x = 49,730,146,654,350.27 - Step 5: Solve for x
x = 49,730,146,654,350.27/7,366,989.24 - Step 6: Final answer
x = 6,750,403.05
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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.