Finding the Fourth Proportional to 8,245,043.12, 11,378,271.48 and 6,176,393.84
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Solution
The fourth proportional to 8,245,043.12, 11,378,271.48 and 6,176,393.84 is: 8,523,507.38
Step by Step Solution
- Step 1: Write the proportion equation
8,245,043.12 : 11,378,271.48 = 6,176,393.84 : x - Step 2: Convert to fraction form
8,245,043.12/11,378,271.48 = 6,176,393.84/x - Step 3: Cross multiply
8,245,043.12x = 11,378,271.48 × 6,176,393.84 - Step 4: Simplify right side
8,245,043.12x = 70,276,685,878,919.69 - Step 5: Solve for x
x = 70,276,685,878,919.69/8,245,043.12 - Step 6: Final answer
x = 8,523,507.38
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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.