Finding the Fourth Proportional to 18,349,246.80, 27,527,806.80 and 5,571,043.20
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Solution
The fourth proportional to 18,349,246.80, 27,527,806.80 and 5,571,043.20 is: 8,357,760.00
Step by Step Solution
- Step 1: Write the proportion equation
18,349,246.80 : 27,527,806.80 = 5,571,043.20 : x - Step 2: Convert to fraction form
18,349,246.80/27,527,806.80 = 5,571,043.20/x - Step 3: Cross multiply
18,349,246.80x = 27,527,806.80 × 5,571,043.20 - Step 4: Simplify right side
18,349,246.80x = 153,358,600,884,053.78 - Step 5: Solve for x
x = 153,358,600,884,053.78/18,349,246.80 - Step 6: Final answer
x = 8,357,760.00
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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.