Finding the Fourth Proportional to 8,257,526.16, 12,386,290.32 and 2,578,236.96
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Solution
The fourth proportional to 8,257,526.16, 12,386,290.32 and 2,578,236.96 is: 3,867,355.78
Step by Step Solution
- Step 1: Write the proportion equation
8,257,526.16 : 12,386,290.32 = 2,578,236.96 : x - Step 2: Convert to fraction form
8,257,526.16/12,386,290.32 = 2,578,236.96/x - Step 3: Cross multiply
8,257,526.16x = 12,386,290.32 × 2,578,236.96 - Step 4: Simplify right side
8,257,526.16x = 31,934,791,500,314.23 - Step 5: Solve for x
x = 31,934,791,500,314.23/8,257,526.16 - Step 6: Final answer
x = 3,867,355.78
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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.