Finding the Fourth Proportional to 22,490,884.04, 31,037,434.62 and 12,177,614.12
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Solution
The fourth proportional to 22,490,884.04, 31,037,434.62 and 12,177,614.12 is: 16,805,115.41
Step by Step Solution
- Step 1: Write the proportion equation
22,490,884.04 : 31,037,434.62 = 12,177,614.12 : x - Step 2: Convert to fraction form
22,490,884.04/31,037,434.62 = 12,177,614.12/x - Step 3: Cross multiply
22,490,884.04x = 31,037,434.62 × 12,177,614.12 - Step 4: Simplify right side
22,490,884.04x = 377,961,902,077,088.81 - Step 5: Solve for x
x = 377,961,902,077,088.81/22,490,884.04 - Step 6: Final answer
x = 16,805,115.41
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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.