Finding the Fourth Proportional to 8,308,708.99, 12,461,816.86 and 2,628,195.19
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Solution
The fourth proportional to 8,308,708.99, 12,461,816.86 and 2,628,195.19 is: 3,941,898.45
Step by Step Solution
- Step 1: Write the proportion equation
8,308,708.99 : 12,461,816.86 = 2,628,195.19 : x - Step 2: Convert to fraction form
8,308,708.99/12,461,816.86 = 2,628,195.19/x - Step 3: Cross multiply
8,308,708.99x = 12,461,816.86 × 2,628,195.19 - Step 4: Simplify right side
8,308,708.99x = 32,752,087,092,387.88 - Step 5: Solve for x
x = 32,752,087,092,387.88/8,308,708.99 - Step 6: Final answer
x = 3,941,898.45
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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.