Finding the Fourth Proportional to 10,306,544.40, 15,459,816.60 and 6,480,169.20
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Solution
The fourth proportional to 10,306,544.40, 15,459,816.60 and 6,480,169.20 is: 9,720,253.80
Step by Step Solution
- Step 1: Write the proportion equation
10,306,544.40 : 15,459,816.60 = 6,480,169.20 : x - Step 2: Convert to fraction form
10,306,544.40/15,459,816.60 = 6,480,169.20/x - Step 3: Cross multiply
10,306,544.40x = 15,459,816.60 × 6,480,169.20 - Step 4: Simplify right side
10,306,544.40x = 100,182,227,368,968.72 - Step 5: Solve for x
x = 100,182,227,368,968.72/10,306,544.40 - Step 6: Final answer
x = 9,720,253.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.