Finding the Fourth Proportional to 8,122,252.28, 11,207,497.08 and 5,027,888.12
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Solution
The fourth proportional to 8,122,252.28, 11,207,497.08 and 5,027,888.12 is: 6,937,735.92
Step by Step Solution
- Step 1: Write the proportion equation
8,122,252.28 : 11,207,497.08 = 5,027,888.12 : x - Step 2: Convert to fraction form
8,122,252.28/11,207,497.08 = 5,027,888.12/x - Step 3: Cross multiply
8,122,252.28x = 11,207,497.08 × 5,027,888.12 - Step 4: Simplify right side
8,122,252.28x = 56,350,041,423,466.69 - Step 5: Solve for x
x = 56,350,041,423,466.69/8,122,252.28 - Step 6: Final answer
x = 6,937,735.92
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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.