Finding the Fourth Proportional to 8,516,125.12, 11,750,497.68 and 4,893,753.28
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Solution
The fourth proportional to 8,516,125.12, 11,750,497.68 and 4,893,753.28 is: 6,752,371.03
Step by Step Solution
- Step 1: Write the proportion equation
8,516,125.12 : 11,750,497.68 = 4,893,753.28 : x - Step 2: Convert to fraction form
8,516,125.12/11,750,497.68 = 4,893,753.28/x - Step 3: Cross multiply
8,516,125.12x = 11,750,497.68 × 4,893,753.28 - Step 4: Simplify right side
8,516,125.12x = 57,504,036,563,132.39 - Step 5: Solve for x
x = 57,504,036,563,132.39/8,516,125.12 - Step 6: Final answer
x = 6,752,371.03
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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.