Finding the Fourth Proportional to 8,258,577.60, 12,387,866.40 and 2,194,245.30
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Solution
The fourth proportional to 8,258,577.60, 12,387,866.40 and 2,194,245.30 is: 3,291,367.95
Step by Step Solution
- Step 1: Write the proportion equation
8,258,577.60 : 12,387,866.40 = 2,194,245.30 : x - Step 2: Convert to fraction form
8,258,577.60/12,387,866.40 = 2,194,245.30/x - Step 3: Cross multiply
8,258,577.60x = 12,387,866.40 × 2,194,245.30 - Step 4: Simplify right side
8,258,577.60x = 27,182,017,625,227.92 - Step 5: Solve for x
x = 27,182,017,625,227.92/8,258,577.60 - Step 6: Final answer
x = 3,291,367.95
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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.