Finding the Fourth Proportional to 14,364,537.68, 19,823,539.92 and 7,838,525.22
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Solution
The fourth proportional to 14,364,537.68, 19,823,539.92 and 7,838,525.22 is: 10,817,425.60
Step by Step Solution
- Step 1: Write the proportion equation
14,364,537.68 : 19,823,539.92 = 7,838,525.22 : x - Step 2: Convert to fraction form
14,364,537.68/19,823,539.92 = 7,838,525.22/x - Step 3: Cross multiply
14,364,537.68x = 19,823,539.92 × 7,838,525.22 - Step 4: Simplify right side
14,364,537.68x = 155,387,317,612,596.78 - Step 5: Solve for x
x = 155,387,317,612,596.78/14,364,537.68 - Step 6: Final answer
x = 10,817,425.60
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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.