Finding the Fourth Proportional to 9,771,330.15, 14,656,995.23 and 8,203,688.55
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Solution
The fourth proportional to 9,771,330.15, 14,656,995.23 and 8,203,688.55 is: 12,305,532.83
Step by Step Solution
- Step 1: Write the proportion equation
9,771,330.15 : 14,656,995.23 = 8,203,688.55 : x - Step 2: Convert to fraction form
9,771,330.15/14,656,995.23 = 8,203,688.55/x - Step 3: Cross multiply
9,771,330.15x = 14,656,995.23 × 8,203,688.55 - Step 4: Simplify right side
9,771,330.15x = 120,241,423,904,737.17 - Step 5: Solve for x
x = 120,241,423,904,737.17/9,771,330.15 - Step 6: Final answer
x = 12,305,532.83
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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.