Finding the Fourth Proportional to 22,626,808.29, 31,226,023.67 and 13,334,770.53
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Solution
The fourth proportional to 22,626,808.29, 31,226,023.67 and 13,334,770.53 is: 18,402,589.30
Step by Step Solution
- Step 1: Write the proportion equation
22,626,808.29 : 31,226,023.67 = 13,334,770.53 : x - Step 2: Convert to fraction form
22,626,808.29/31,226,023.67 = 13,334,770.53/x - Step 3: Cross multiply
22,626,808.29x = 31,226,023.67 × 13,334,770.53 - Step 4: Simplify right side
22,626,808.29x = 416,391,860,137,124.56 - Step 5: Solve for x
x = 416,391,860,137,124.56/22,626,808.29 - Step 6: Final answer
x = 18,402,589.30
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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.