Finding the Fourth Proportional to 11,998,584.52, 18,000,520.62 and 3,479,276.68
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Solution
The fourth proportional to 11,998,584.52, 18,000,520.62 and 3,479,276.68 is: 5,219,681.66
Step by Step Solution
- Step 1: Write the proportion equation
11,998,584.52 : 18,000,520.62 = 3,479,276.68 : x - Step 2: Convert to fraction form
11,998,584.52/18,000,520.62 = 3,479,276.68/x - Step 3: Cross multiply
11,998,584.52x = 18,000,520.62 × 3,479,276.68 - Step 4: Simplify right side
11,998,584.52x = 62,628,791,621,025.15 - Step 5: Solve for x
x = 62,628,791,621,025.15/11,998,584.52 - Step 6: Final answer
x = 5,219,681.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.