Finding the Fourth Proportional to 8,031,253.68, 12,042,353.40 and 2,638,456.14
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Solution
The fourth proportional to 8,031,253.68, 12,042,353.40 and 2,638,456.14 is: 3,956,196.94
Step by Step Solution
- Step 1: Write the proportion equation
8,031,253.68 : 12,042,353.40 = 2,638,456.14 : x - Step 2: Convert to fraction form
8,031,253.68/12,042,353.40 = 2,638,456.14/x - Step 3: Cross multiply
8,031,253.68x = 12,042,353.40 × 2,638,456.14 - Step 4: Simplify right side
8,031,253.68x = 31,773,221,268,279.88 - Step 5: Solve for x
x = 31,773,221,268,279.88/8,031,253.68 - Step 6: Final answer
x = 3,956,196.94
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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.