Finding the Fourth Proportional to 7,882,728.23, 10,878,481.36 and 4,398,371.36
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Solution
The fourth proportional to 7,882,728.23, 10,878,481.36 and 4,398,371.36 is: 6,069,929.02
Step by Step Solution
- Step 1: Write the proportion equation
7,882,728.23 : 10,878,481.36 = 4,398,371.36 : x - Step 2: Convert to fraction form
7,882,728.23/10,878,481.36 = 4,398,371.36/x - Step 3: Cross multiply
7,882,728.23x = 10,878,481.36 × 4,398,371.36 - Step 4: Simplify right side
7,882,728.23x = 47,847,600,827,790.20 - Step 5: Solve for x
x = 47,847,600,827,790.20/7,882,728.23 - Step 6: Final answer
x = 6,069,929.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.