Finding the Fourth Proportional to 8,931,818.19, 13,398,526.49 and 3,466,785.06
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Solution
The fourth proportional to 8,931,818.19, 13,398,526.49 and 3,466,785.06 is: 5,200,487.79
Step by Step Solution
- Step 1: Write the proportion equation
8,931,818.19 : 13,398,526.49 = 3,466,785.06 : x - Step 2: Convert to fraction form
8,931,818.19/13,398,526.49 = 3,466,785.06/x - Step 3: Cross multiply
8,931,818.19x = 13,398,526.49 × 3,466,785.06 - Step 4: Simplify right side
8,931,818.19x = 46,449,811,444,212.31 - Step 5: Solve for x
x = 46,449,811,444,212.31/8,931,818.19 - Step 6: Final answer
x = 5,200,487.79
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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.