Finding the Fourth Proportional to 8,899,720.80, 13,347,831.60 and 2,916,088.80
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Solution
The fourth proportional to 8,899,720.80, 13,347,831.60 and 2,916,088.80 is: 4,373,559.92
Step by Step Solution
- Step 1: Write the proportion equation
8,899,720.80 : 13,347,831.60 = 2,916,088.80 : x - Step 2: Convert to fraction form
8,899,720.80/13,347,831.60 = 2,916,088.80/x - Step 3: Cross multiply
8,899,720.80x = 13,347,831.60 × 2,916,088.80 - Step 4: Simplify right side
8,899,720.80x = 38,923,462,233,046.08 - Step 5: Solve for x
x = 38,923,462,233,046.08/8,899,720.80 - Step 6: Final answer
x = 4,373,559.92
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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.