Finding the Fourth Proportional to 18,432,510.06, 27,639,666.36 and 5,649,932.46
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Solution
The fourth proportional to 18,432,510.06, 27,639,666.36 and 5,649,932.46 is: 8,472,109.75
Step by Step Solution
- Step 1: Write the proportion equation
18,432,510.06 : 27,639,666.36 = 5,649,932.46 : x - Step 2: Convert to fraction form
18,432,510.06/27,639,666.36 = 5,649,932.46/x - Step 3: Cross multiply
18,432,510.06x = 27,639,666.36 × 5,649,932.46 - Step 4: Simplify right side
18,432,510.06x = 156,162,248,150,934.03 - Step 5: Solve for x
x = 156,162,248,150,934.03/18,432,510.06 - Step 6: Final answer
x = 8,472,109.75
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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.