Finding the Fourth Proportional to 14,455,531.47, 19,948,273.80 and 8,260,185.09
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Solution
The fourth proportional to 14,455,531.47, 19,948,273.80 and 8,260,185.09 is: 11,398,849.93
Step by Step Solution
- Step 1: Write the proportion equation
14,455,531.47 : 19,948,273.80 = 8,260,185.09 : x - Step 2: Convert to fraction form
14,455,531.47/19,948,273.80 = 8,260,185.09/x - Step 3: Cross multiply
14,455,531.47x = 19,948,273.80 × 8,260,185.09 - Step 4: Simplify right side
14,455,531.47x = 164,776,433,813,997.66 - Step 5: Solve for x
x = 164,776,433,813,997.66/14,455,531.47 - Step 6: Final answer
x = 11,398,849.93
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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.