Finding the Fourth Proportional to 7,758,882.94, 10,707,254.70 and 4,497,587.63
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Solution
The fourth proportional to 7,758,882.94, 10,707,254.70 and 4,497,587.63 is: 6,206,668.75
Step by Step Solution
- Step 1: Write the proportion equation
7,758,882.94 : 10,707,254.70 = 4,497,587.63 : x - Step 2: Convert to fraction form
7,758,882.94/10,707,254.70 = 4,497,587.63/x - Step 3: Cross multiply
7,758,882.94x = 10,707,254.70 × 4,497,587.63 - Step 4: Simplify right side
7,758,882.94x = 48,156,816,289,979.36 - Step 5: Solve for x
x = 48,156,816,289,979.36/7,758,882.94 - Step 6: Final answer
x = 6,206,668.75
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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.