Finding the Fourth Proportional to 8,191,191.70, 12,271,120.35 and 4,403,415.70
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Solution
The fourth proportional to 8,191,191.70, 12,271,120.35 and 4,403,415.70 is: 6,596,701.19
Step by Step Solution
- Step 1: Write the proportion equation
8,191,191.70 : 12,271,120.35 = 4,403,415.70 : x - Step 2: Convert to fraction form
8,191,191.70/12,271,120.35 = 4,403,415.70/x - Step 3: Cross multiply
8,191,191.70x = 12,271,120.35 × 4,403,415.70 - Step 4: Simplify right side
8,191,191.70x = 54,034,844,005,779.49 - Step 5: Solve for x
x = 54,034,844,005,779.49/8,191,191.70 - Step 6: Final answer
x = 6,596,701.19
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1.5x scale
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.