Finding the Fourth Proportional to 9,990,212.16, 14,976,132.84 and 3,598,901.49
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Solution
The fourth proportional to 9,990,212.16, 14,976,132.84 and 3,598,901.49 is: 5,395,043.26
Step by Step Solution
- Step 1: Write the proportion equation
9,990,212.16 : 14,976,132.84 = 3,598,901.49 : x - Step 2: Convert to fraction form
9,990,212.16/14,976,132.84 = 3,598,901.49/x - Step 3: Cross multiply
9,990,212.16x = 14,976,132.84 × 3,598,901.49 - Step 4: Simplify right side
9,990,212.16x = 53,897,626,792,313.94 - Step 5: Solve for x
x = 53,897,626,792,313.94/9,990,212.16 - Step 6: Final answer
x = 5,395,043.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.