Finding the Fourth Proportional to 14,387,026.93, 19,854,118.49 and 8,192,078.68
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Solution
The fourth proportional to 14,387,026.93, 19,854,118.49 and 8,192,078.68 is: 11,305,080.72
Step by Step Solution
- Step 1: Write the proportion equation
14,387,026.93 : 19,854,118.49 = 8,192,078.68 : x - Step 2: Convert to fraction form
14,387,026.93/19,854,118.49 = 8,192,078.68/x - Step 3: Cross multiply
14,387,026.93x = 19,854,118.49 × 8,192,078.68 - Step 4: Simplify right side
14,387,026.93x = 162,646,500,792,122.78 - Step 5: Solve for x
x = 162,646,500,792,122.78/14,387,026.93 - Step 6: Final answer
x = 11,305,080.72
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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.