Finding the Fourth Proportional to 10,303,717.20, 15,457,325.40 and 5,510,104.80
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Solution
The fourth proportional to 10,303,717.20, 15,457,325.40 and 5,510,104.80 is: 8,266,092.83
Step by Step Solution
- Step 1: Write the proportion equation
10,303,717.20 : 15,457,325.40 = 5,510,104.80 : x - Step 2: Convert to fraction form
10,303,717.20/15,457,325.40 = 5,510,104.80/x - Step 3: Cross multiply
10,303,717.20x = 15,457,325.40 × 5,510,104.80 - Step 4: Simplify right side
10,303,717.20x = 85,171,482,881,701.92 - Step 5: Solve for x
x = 85,171,482,881,701.92/10,303,717.20 - Step 6: Final answer
x = 8,266,092.83
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1.5x scale
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.