Finding the Fourth Proportional to 12,244,544.71, 16,920,776.06 and 9,183,444.55
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Solution
The fourth proportional to 12,244,544.71, 16,920,776.06 and 9,183,444.55 is: 12,690,631.81
Step by Step Solution
- Step 1: Write the proportion equation
12,244,544.71 : 16,920,776.06 = 9,183,444.55 : x - Step 2: Convert to fraction form
12,244,544.71/16,920,776.06 = 9,183,444.55/x - Step 3: Cross multiply
12,244,544.71x = 16,920,776.06 × 9,183,444.55 - Step 4: Simplify right side
12,244,544.71x = 155,391,008,644,060.25 - Step 5: Solve for x
x = 155,391,008,644,060.25/12,244,544.71 - Step 6: Final answer
x = 12,690,631.81
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1.5x scale
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.