Finding the Fourth Proportional to 8,619,373.68, 11,894,812.68 and 4,752,031.92
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Solution
The fourth proportional to 8,619,373.68, 11,894,812.68 and 4,752,031.92 is: 6,557,846.50
Step by Step Solution
- Step 1: Write the proportion equation
8,619,373.68 : 11,894,812.68 = 4,752,031.92 : x - Step 2: Convert to fraction form
8,619,373.68/11,894,812.68 = 4,752,031.92/x - Step 3: Cross multiply
8,619,373.68x = 11,894,812.68 × 4,752,031.92 - Step 4: Simplify right side
8,619,373.68x = 56,524,529,537,780.74 - Step 5: Solve for x
x = 56,524,529,537,780.74/8,619,373.68 - Step 6: Final answer
x = 6,557,846.50
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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.