Finding the Fourth Proportional to 10,161,962.18, 14,021,192.31 and 6,029,858.96
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Solution
The fourth proportional to 10,161,962.18, 14,021,192.31 and 6,029,858.96 is: 8,319,831.40
Step by Step Solution
- Step 1: Write the proportion equation
10,161,962.18 : 14,021,192.31 = 6,029,858.96 : x - Step 2: Convert to fraction form
10,161,962.18/14,021,192.31 = 6,029,858.96/x - Step 3: Cross multiply
10,161,962.18x = 14,021,192.31 × 6,029,858.96 - Step 4: Simplify right side
10,161,962.18x = 84,545,812,080,336.59 - Step 5: Solve for x
x = 84,545,812,080,336.59/10,161,962.18 - Step 6: Final answer
x = 8,319,831.40
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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.