Finding the Fourth Proportional to 12,195,547.76, 18,288,004.80 and 4,106,349.92
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Solution
The fourth proportional to 12,195,547.76, 18,288,004.80 and 4,106,349.92 is: 6,157,734.65
Step by Step Solution
- Step 1: Write the proportion equation
12,195,547.76 : 18,288,004.80 = 4,106,349.92 : x - Step 2: Convert to fraction form
12,195,547.76/18,288,004.80 = 4,106,349.92/x - Step 3: Cross multiply
12,195,547.76x = 18,288,004.80 × 4,106,349.92 - Step 4: Simplify right side
12,195,547.76x = 75,096,947,047,439.62 - Step 5: Solve for x
x = 75,096,947,047,439.62/12,195,547.76 - Step 6: Final answer
x = 6,157,734.65
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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.