Finding the Fourth Proportional to 10,339,440.30, 15,509,743.65 and 3,151,208.70
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Solution
The fourth proportional to 10,339,440.30, 15,509,743.65 and 3,151,208.70 is: 4,726,990.80
Step by Step Solution
- Step 1: Write the proportion equation
10,339,440.30 : 15,509,743.65 = 3,151,208.70 : x - Step 2: Convert to fraction form
10,339,440.30/15,509,743.65 = 3,151,208.70/x - Step 3: Cross multiply
10,339,440.30x = 15,509,743.65 × 3,151,208.70 - Step 4: Simplify right side
10,339,440.30x = 48,874,439,124,649.76 - Step 5: Solve for x
x = 48,874,439,124,649.76/10,339,440.30 - Step 6: Final answer
x = 4,726,990.80
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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.