Finding the Fourth Proportional to 11,240,407.40, 15,512,137.90 and 6,888,652.84
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Solution
The fourth proportional to 11,240,407.40, 15,512,137.90 and 6,888,652.84 is: 9,506,571.15
Step by Step Solution
- Step 1: Write the proportion equation
11,240,407.40 : 15,512,137.90 = 6,888,652.84 : x - Step 2: Convert to fraction form
11,240,407.40/15,512,137.90 = 6,888,652.84/x - Step 3: Cross multiply
11,240,407.40x = 15,512,137.90 × 6,888,652.84 - Step 4: Simplify right side
11,240,407.40x = 106,857,732,743,304.67 - Step 5: Solve for x
x = 106,857,732,743,304.67/11,240,407.40 - Step 6: Final answer
x = 9,506,571.15
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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.