Finding the Fourth Proportional to 7,989,207.84, 11,986,831.08 and 4,796,559.72
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Solution
The fourth proportional to 7,989,207.84, 11,986,831.08 and 4,796,559.72 is: 7,196,652.32
Step by Step Solution
- Step 1: Write the proportion equation
7,989,207.84 : 11,986,831.08 = 4,796,559.72 : x - Step 2: Convert to fraction form
7,989,207.84/11,986,831.08 = 4,796,559.72/x - Step 3: Cross multiply
7,989,207.84x = 11,986,831.08 × 4,796,559.72 - Step 4: Simplify right side
7,989,207.84x = 57,495,551,128,772.09 - Step 5: Solve for x
x = 57,495,551,128,772.09/7,989,207.84 - Step 6: Final answer
x = 7,196,652.32
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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.