Finding the Fourth Proportional to 8,730,260.28, 12,046,837.68 and 5,060,328.12
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Solution
The fourth proportional to 8,730,260.28, 12,046,837.68 and 5,060,328.12 is: 6,982,718.67
Step by Step Solution
- Step 1: Write the proportion equation
8,730,260.28 : 12,046,837.68 = 5,060,328.12 : x - Step 2: Convert to fraction form
8,730,260.28/12,046,837.68 = 5,060,328.12/x - Step 3: Cross multiply
8,730,260.28x = 12,046,837.68 × 5,060,328.12 - Step 4: Simplify right side
8,730,260.28x = 60,960,951,469,179.56 - Step 5: Solve for x
x = 60,960,951,469,179.56/8,730,260.28 - Step 6: Final answer
x = 6,982,718.67
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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.