Finding the Fourth Proportional to 12,110,159.60, 18,165,239.40 and 3,134,711.60
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Solution
The fourth proportional to 12,110,159.60, 18,165,239.40 and 3,134,711.60 is: 4,702,067.40
Step by Step Solution
- Step 1: Write the proportion equation
12,110,159.60 : 18,165,239.40 = 3,134,711.60 : x - Step 2: Convert to fraction form
12,110,159.60/18,165,239.40 = 3,134,711.60/x - Step 3: Cross multiply
12,110,159.60x = 18,165,239.40 × 3,134,711.60 - Step 4: Simplify right side
12,110,159.60x = 56,942,786,663,957.04 - Step 5: Solve for x
x = 56,942,786,663,957.04/12,110,159.60 - Step 6: Final answer
x = 4,702,067.40
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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.