Finding the Fourth Proportional to 29,785,674.80, 44,678,512.20 and 18,448,266.80
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Solution
The fourth proportional to 29,785,674.80, 44,678,512.20 and 18,448,266.80 is: 27,672,400.20
Step by Step Solution
- Step 1: Write the proportion equation
29,785,674.80 : 44,678,512.20 = 18,448,266.80 : x - Step 2: Convert to fraction form
29,785,674.80/44,678,512.20 = 18,448,266.80/x - Step 3: Cross multiply
29,785,674.80x = 44,678,512.20 × 18,448,266.80 - Step 4: Simplify right side
29,785,674.80x = 824,241,113,292,655 - Step 5: Solve for x
x = 824,241,113,292,655/29,785,674.80 - Step 6: Final answer
x = 27,672,400.20
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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.