Finding the Fourth Proportional to 27,889,004.92, 38,474,888.35 and 17,416,840.67
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Solution
The fourth proportional to 27,889,004.92, 38,474,888.35 and 17,416,840.67 is: 24,027,784.50
Step by Step Solution
- Step 1: Write the proportion equation
27,889,004.92 : 38,474,888.35 = 17,416,840.67 : x - Step 2: Convert to fraction form
27,889,004.92/38,474,888.35 = 17,416,840.67/x - Step 3: Cross multiply
27,889,004.92x = 38,474,888.35 × 17,416,840.67 - Step 4: Simplify right side
27,889,004.92x = 670,111,000,187,989.25 - Step 5: Solve for x
x = 670,111,000,187,989.25/27,889,004.92 - Step 6: Final answer
x = 24,027,784.50
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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.