Finding the Fourth Proportional to 8,860,852.80, 13,291,279.20 and 2,129,266.80
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Solution
The fourth proportional to 8,860,852.80, 13,291,279.20 and 2,129,266.80 is: 3,193,900.20
Step by Step Solution
- Step 1: Write the proportion equation
8,860,852.80 : 13,291,279.20 = 2,129,266.80 : x - Step 2: Convert to fraction form
8,860,852.80/13,291,279.20 = 2,129,266.80/x - Step 3: Cross multiply
8,860,852.80x = 13,291,279.20 × 2,129,266.80 - Step 4: Simplify right side
8,860,852.80x = 28,300,679,530,090.55 - Step 5: Solve for x
x = 28,300,679,530,090.55/8,860,852.80 - Step 6: Final answer
x = 3,193,900.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.