Finding the Fourth Proportional to 10,887,929.28, 16,320,915.12 and 6,847,304.80
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Solution
The fourth proportional to 10,887,929.28, 16,320,915.12 and 6,847,304.80 is: 10,264,052.75
Step by Step Solution
- Step 1: Write the proportion equation
10,887,929.28 : 16,320,915.12 = 6,847,304.80 : x - Step 2: Convert to fraction form
10,887,929.28/16,320,915.12 = 6,847,304.80/x - Step 3: Cross multiply
10,887,929.28x = 16,320,915.12 × 6,847,304.80 - Step 4: Simplify right side
10,887,929.28x = 111,754,280,441,568.56 - Step 5: Solve for x
x = 111,754,280,441,568.56/10,887,929.28 - Step 6: Final answer
x = 10,264,052.75
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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.