Finding the Fourth Proportional to 7,244,873.20, 10,867,309.80 and 4,725,449.20
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Solution
The fourth proportional to 7,244,873.20, 10,867,309.80 and 4,725,449.20 is: 7,088,173.80
Step by Step Solution
- Step 1: Write the proportion equation
7,244,873.20 : 10,867,309.80 = 4,725,449.20 : x - Step 2: Convert to fraction form
7,244,873.20/10,867,309.80 = 4,725,449.20/x - Step 3: Cross multiply
7,244,873.20x = 10,867,309.80 × 4,725,449.20 - Step 4: Simplify right side
7,244,873.20x = 51,352,920,400,562.16 - Step 5: Solve for x
x = 51,352,920,400,562.16/7,244,873.20 - Step 6: Final answer
x = 7,088,173.80
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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.