Finding the Fourth Proportional to 31,973,742.08, 44,122,672.20 and 18,227,134.88
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Solution
The fourth proportional to 31,973,742.08, 44,122,672.20 and 18,227,134.88 is: 25,152,823.70
Step by Step Solution
- Step 1: Write the proportion equation
31,973,742.08 : 44,122,672.20 = 18,227,134.88 : x - Step 2: Convert to fraction form
31,973,742.08/44,122,672.20 = 18,227,134.88/x - Step 3: Cross multiply
31,973,742.08x = 44,122,672.20 × 18,227,134.88 - Step 4: Simplify right side
31,973,742.08x = 804,229,897,455,426.38 - Step 5: Solve for x
x = 804,229,897,455,426.38/31,973,742.08 - Step 6: Final answer
x = 25,152,823.70
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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.