Finding the Fourth Proportional to 7,904,936.16, 11,857,536.72 and 2,225,296.80
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Solution
The fourth proportional to 7,904,936.16, 11,857,536.72 and 2,225,296.80 is: 3,337,982.49
Step by Step Solution
- Step 1: Write the proportion equation
7,904,936.16 : 11,857,536.72 = 2,225,296.80 : x - Step 2: Convert to fraction form
7,904,936.16/11,857,536.72 = 2,225,296.80/x - Step 3: Cross multiply
7,904,936.16x = 11,857,536.72 × 2,225,296.80 - Step 4: Simplify right side
7,904,936.16x = 26,386,538,518,898.50 - Step 5: Solve for x
x = 26,386,538,518,898.50/7,904,936.16 - Step 6: Final answer
x = 3,337,982.49
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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.