Finding the Fourth Proportional to 8,221,269.67, 12,331,018.69 and 2,156,609.32
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Solution
The fourth proportional to 8,221,269.67, 12,331,018.69 and 2,156,609.32 is: 3,234,681.61
Step by Step Solution
- Step 1: Write the proportion equation
8,221,269.67 : 12,331,018.69 = 2,156,609.32 : x - Step 2: Convert to fraction form
8,221,269.67/12,331,018.69 = 2,156,609.32/x - Step 3: Cross multiply
8,221,269.67x = 12,331,018.69 × 2,156,609.32 - Step 4: Simplify right side
8,221,269.67x = 26,593,189,831,948.19 - Step 5: Solve for x
x = 26,593,189,831,948.19/8,221,269.67 - Step 6: Final answer
x = 3,234,681.61
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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.