Finding the Fourth Proportional to 11,200,295.93, 15,457,882.32 and 6,306,471.68
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Solution
The fourth proportional to 11,200,295.93, 15,457,882.32 and 6,306,471.68 is: 8,703,760.83
Step by Step Solution
- Step 1: Write the proportion equation
11,200,295.93 : 15,457,882.32 = 6,306,471.68 : x - Step 2: Convert to fraction form
11,200,295.93/15,457,882.32 = 6,306,471.68/x - Step 3: Cross multiply
11,200,295.93x = 15,457,882.32 × 6,306,471.68 - Step 4: Simplify right side
11,200,295.93x = 97,484,697,006,563.28 - Step 5: Solve for x
x = 97,484,697,006,563.28/11,200,295.93 - Step 6: Final answer
x = 8,703,760.83
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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.