Finding the Fourth Proportional to 14,215,524, 19,617,423.12 and 7,689,153.12
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Solution
The fourth proportional to 14,215,524, 19,617,423.12 and 7,689,153.12 is: 10,611,031.31
Step by Step Solution
- Step 1: Write the proportion equation
14,215,524 : 19,617,423.12 = 7,689,153.12 : x - Step 2: Convert to fraction form
14,215,524/19,617,423.12 = 7,689,153.12/x - Step 3: Cross multiply
14,215,524x = 19,617,423.12 × 7,689,153.12 - Step 4: Simplify right side
14,215,524x = 150,841,370,189,508.16 - Step 5: Solve for x
x = 150,841,370,189,508.16/14,215,524 - Step 6: Final answer
x = 10,611,031.31
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1.5x scale
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.