Finding the Fourth Proportional to 11,330,497.45, 16,995,746.18 and 9,789,318.55
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Solution
The fourth proportional to 11,330,497.45, 16,995,746.18 and 9,789,318.55 is: 14,683,977.83
Step by Step Solution
- Step 1: Write the proportion equation
11,330,497.45 : 16,995,746.18 = 9,789,318.55 : x - Step 2: Convert to fraction form
11,330,497.45/16,995,746.18 = 9,789,318.55/x - Step 3: Cross multiply
11,330,497.45x = 16,995,746.18 × 9,789,318.55 - Step 4: Simplify right side
11,330,497.45x = 166,376,773,350,965.66 - Step 5: Solve for x
x = 166,376,773,350,965.66/11,330,497.45 - Step 6: Final answer
x = 14,683,977.83
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1.5x scale
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.