Finding the Fourth Proportional to 27,889,004.67, 38,474,888 and 17,416,840.42
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Solution
The fourth proportional to 27,889,004.67, 38,474,888 and 17,416,840.42 is: 24,027,784.15
Step by Step Solution
- Step 1: Write the proportion equation
27,889,004.67 : 38,474,888 = 17,416,840.42 : x - Step 2: Convert to fraction form
27,889,004.67/38,474,888 = 17,416,840.42/x - Step 3: Cross multiply
27,889,004.67x = 38,474,888 × 17,416,840.42 - Step 4: Simplify right side
27,889,004.67x = 670,110,984,473,373 - Step 5: Solve for x
x = 670,110,984,473,373/27,889,004.67 - Step 6: Final answer
x = 24,027,784.15
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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.