Finding the Fourth Proportional to 11,240,478.48, 15,512,235.78 and 6,888,723.96
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Solution
The fourth proportional to 11,240,478.48, 15,512,235.78 and 6,888,723.96 is: 9,506,669.18
Step by Step Solution
- Step 1: Write the proportion equation
11,240,478.48 : 15,512,235.78 = 6,888,723.96 : x - Step 2: Convert to fraction form
11,240,478.48/15,512,235.78 = 6,888,723.96/x - Step 3: Cross multiply
11,240,478.48x = 15,512,235.78 × 6,888,723.96 - Step 4: Simplify right side
11,240,478.48x = 106,859,510,290,855.28 - Step 5: Solve for x
x = 106,859,510,290,855.28/11,240,478.48 - Step 6: Final answer
x = 9,506,669.18
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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.