Finding the Fourth Proportional to 29,349,640.67, 40,493,421.43 and 16,955,211.74
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Solution
The fourth proportional to 29,349,640.67, 40,493,421.43 and 16,955,211.74 is: 23,392,945.15
Step by Step Solution
- Step 1: Write the proportion equation
29,349,640.67 : 40,493,421.43 = 16,955,211.74 : x - Step 2: Convert to fraction form
29,349,640.67/40,493,421.43 = 16,955,211.74/x - Step 3: Cross multiply
29,349,640.67x = 40,493,421.43 × 16,955,211.74 - Step 4: Simplify right side
29,349,640.67x = 686,574,534,481,549.12 - Step 5: Solve for x
x = 686,574,534,481,549.12/29,349,640.67 - Step 6: Final answer
x = 23,392,945.15
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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.