Finding the Fourth Proportional to 12,134,405.84, 18,201,658.80 and 3,036,478.64
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Solution
The fourth proportional to 12,134,405.84, 18,201,658.80 and 3,036,478.64 is: 4,554,730.48
Step by Step Solution
- Step 1: Write the proportion equation
12,134,405.84 : 18,201,658.80 = 3,036,478.64 : x - Step 2: Convert to fraction form
12,134,405.84/18,201,658.80 = 3,036,478.64/x - Step 3: Cross multiply
12,134,405.84x = 18,201,658.80 × 3,036,478.64 - Step 4: Simplify right side
12,134,405.84x = 55,268,948,158,768.04 - Step 5: Solve for x
x = 55,268,948,158,768.04/12,134,405.84 - Step 6: Final answer
x = 4,554,730.48
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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.