Finding the Fourth Proportional to 7,438,360.17, 11,153,205.06 and 2,884,088.46
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Solution
The fourth proportional to 7,438,360.17, 11,153,205.06 and 2,884,088.46 is: 4,324,451.80
Step by Step Solution
- Step 1: Write the proportion equation
7,438,360.17 : 11,153,205.06 = 2,884,088.46 : x - Step 2: Convert to fraction form
7,438,360.17/11,153,205.06 = 2,884,088.46/x - Step 3: Cross multiply
7,438,360.17x = 11,153,205.06 × 2,884,088.46 - Step 4: Simplify right side
7,438,360.17x = 32,166,830,005,559.61 - Step 5: Solve for x
x = 32,166,830,005,559.61/7,438,360.17 - Step 6: Final answer
x = 4,324,451.80
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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.