Finding the Fourth Proportional to 14,339,342.68, 21,517,982.28 and 5,819,679.15
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Solution
The fourth proportional to 14,339,342.68, 21,517,982.28 and 5,819,679.15 is: 8,733,158.53
Step by Step Solution
- Step 1: Write the proportion equation
14,339,342.68 : 21,517,982.28 = 5,819,679.15 : x - Step 2: Convert to fraction form
14,339,342.68/21,517,982.28 = 5,819,679.15/x - Step 3: Cross multiply
14,339,342.68x = 21,517,982.28 × 5,819,679.15 - Step 4: Simplify right side
14,339,342.68x = 125,227,752,824,985.48 - Step 5: Solve for x
x = 125,227,752,824,985.48/14,339,342.68 - Step 6: Final answer
x = 8,733,158.53
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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.