Finding the Fourth Proportional to 14,279,786.56, 19,706,447.88 and 7,753,691.08
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Solution
The fourth proportional to 14,279,786.56, 19,706,447.88 and 7,753,691.08 is: 10,700,279.62
Step by Step Solution
- Step 1: Write the proportion equation
14,279,786.56 : 19,706,447.88 = 7,753,691.08 : x - Step 2: Convert to fraction form
14,279,786.56/19,706,447.88 = 7,753,691.08/x - Step 3: Cross multiply
14,279,786.56x = 19,706,447.88 × 7,753,691.08 - Step 4: Simplify right side
14,279,786.56x = 152,797,709,145,640.91 - Step 5: Solve for x
x = 152,797,709,145,640.91/14,279,786.56 - Step 6: Final answer
x = 10,700,279.62
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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.