Finding the Fourth Proportional to 8,748,051.60, 13,122,077.40 and 3,067,537.80
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Solution
The fourth proportional to 8,748,051.60, 13,122,077.40 and 3,067,537.80 is: 4,601,306.70
Step by Step Solution
- Step 1: Write the proportion equation
8,748,051.60 : 13,122,077.40 = 3,067,537.80 : x - Step 2: Convert to fraction form
8,748,051.60/13,122,077.40 = 3,067,537.80/x - Step 3: Cross multiply
8,748,051.60x = 13,122,077.40 × 3,067,537.80 - Step 4: Simplify right side
8,748,051.60x = 40,252,468,439,025.72 - Step 5: Solve for x
x = 40,252,468,439,025.72/8,748,051.60 - Step 6: Final answer
x = 4,601,306.70
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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.