Finding the Fourth Proportional to 8,471,580, 12,693,217.68 and 5,268,801.12
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Solution
The fourth proportional to 8,471,580, 12,693,217.68 and 5,268,801.12 is: 7,894,399.81
Step by Step Solution
- Step 1: Write the proportion equation
8,471,580 : 12,693,217.68 = 5,268,801.12 : x - Step 2: Convert to fraction form
8,471,580/12,693,217.68 = 5,268,801.12/x - Step 3: Cross multiply
8,471,580x = 12,693,217.68 × 5,268,801.12 - Step 4: Simplify right side
8,471,580x = 66,878,039,528,787.80 - Step 5: Solve for x
x = 66,878,039,528,787.80/8,471,580 - Step 6: Final answer
x = 7,894,399.81
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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.