Finding the Fourth Proportional to 13,522,823.74, 20,284,391.44 and 4,887,579.99
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Solution
The fourth proportional to 13,522,823.74, 20,284,391.44 and 4,887,579.99 is: 7,331,426.31
Step by Step Solution
- Step 1: Write the proportion equation
13,522,823.74 : 20,284,391.44 = 4,887,579.99 : x - Step 2: Convert to fraction form
13,522,823.74/20,284,391.44 = 4,887,579.99/x - Step 3: Cross multiply
13,522,823.74x = 20,284,391.44 × 4,887,579.99 - Step 4: Simplify right side
13,522,823.74x = 99,141,585,766,154.61 - Step 5: Solve for x
x = 99,141,585,766,154.61/13,522,823.74 - Step 6: Final answer
x = 7,331,426.31
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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.