Finding the Fourth Proportional to 8,428,626.48, 11,623,610.28 and 5,594,660.96
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Solution
The fourth proportional to 8,428,626.48, 11,623,610.28 and 5,594,660.96 is: 7,715,392.16
Step by Step Solution
- Step 1: Write the proportion equation
8,428,626.48 : 11,623,610.28 = 5,594,660.96 : x - Step 2: Convert to fraction form
8,428,626.48/11,623,610.28 = 5,594,660.96/x - Step 3: Cross multiply
8,428,626.48x = 11,623,610.28 × 5,594,660.96 - Step 4: Simplify right side
8,428,626.48x = 65,030,158,676,829.70 - Step 5: Solve for x
x = 65,030,158,676,829.70/8,428,626.48 - Step 6: Final answer
x = 7,715,392.16
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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.