Finding the Fourth Proportional to 33,038,348.93, 45,597,125.57 and 19,985,701.26
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Solution
The fourth proportional to 33,038,348.93, 45,597,125.57 and 19,985,701.26 is: 27,582,810.87
Step by Step Solution
- Step 1: Write the proportion equation
33,038,348.93 : 45,597,125.57 = 19,985,701.26 : x - Step 2: Convert to fraction form
33,038,348.93/45,597,125.57 = 19,985,701.26/x - Step 3: Cross multiply
33,038,348.93x = 45,597,125.57 × 19,985,701.26 - Step 4: Simplify right side
33,038,348.93x = 911,290,529,856,798.75 - Step 5: Solve for x
x = 911,290,529,856,798.75/33,038,348.93 - Step 6: Final answer
x = 27,582,810.87
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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.