Finding the Fourth Proportional to 10,854,831.80, 16,284,609.30 and 3,281,599.80
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Solution
The fourth proportional to 10,854,831.80, 16,284,609.30 and 3,281,599.80 is: 4,923,113.65
Step by Step Solution
- Step 1: Write the proportion equation
10,854,831.80 : 16,284,609.30 = 3,281,599.80 : x - Step 2: Convert to fraction form
10,854,831.80/16,284,609.30 = 3,281,599.80/x - Step 3: Cross multiply
10,854,831.80x = 16,284,609.30 × 3,281,599.80 - Step 4: Simplify right side
10,854,831.80x = 53,439,570,621,958.14 - Step 5: Solve for x
x = 53,439,570,621,958.14/10,854,831.80 - Step 6: Final answer
x = 4,923,113.65
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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.