Finding the Fourth Proportional to 7,720,623.99, 11,573,405.01 and 3,676,025.07
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Solution
The fourth proportional to 7,720,623.99, 11,573,405.01 and 3,676,025.07 is: 5,510,451.88
Step by Step Solution
- Step 1: Write the proportion equation
7,720,623.99 : 11,573,405.01 = 3,676,025.07 : x - Step 2: Convert to fraction form
7,720,623.99/11,573,405.01 = 3,676,025.07/x - Step 3: Cross multiply
7,720,623.99x = 11,573,405.01 × 3,676,025.07 - Step 4: Simplify right side
7,720,623.99x = 42,544,126,962,023.60 - Step 5: Solve for x
x = 42,544,126,962,023.60/7,720,623.99 - Step 6: Final answer
x = 5,510,451.88
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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.