Finding the Fourth Proportional to 10,503,007.20, 15,754,510.80 and 2,524,831.20
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Solution
The fourth proportional to 10,503,007.20, 15,754,510.80 and 2,524,831.20 is: 3,787,246.80
Step by Step Solution
- Step 1: Write the proportion equation
10,503,007.20 : 15,754,510.80 = 2,524,831.20 : x - Step 2: Convert to fraction form
10,503,007.20/15,754,510.80 = 2,524,831.20/x - Step 3: Cross multiply
10,503,007.20x = 15,754,510.80 × 2,524,831.20 - Step 4: Simplify right side
10,503,007.20x = 39,777,480,408,576.96 - Step 5: Solve for x
x = 39,777,480,408,576.96/10,503,007.20 - Step 6: Final answer
x = 3,787,246.80
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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.