Finding the Fourth Proportional to 7,260,488.80, 10,874,986.80 and 6,000,776.80
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Solution
The fourth proportional to 7,260,488.80, 10,874,986.80 and 6,000,776.80 is: 8,988,150.84
Step by Step Solution
- Step 1: Write the proportion equation
7,260,488.80 : 10,874,986.80 = 6,000,776.80 : x - Step 2: Convert to fraction form
7,260,488.80/10,874,986.80 = 6,000,776.80/x - Step 3: Cross multiply
7,260,488.80x = 10,874,986.80 × 6,000,776.80 - Step 4: Simplify right side
7,260,488.80x = 65,258,368,489,746.24 - Step 5: Solve for x
x = 65,258,368,489,746.24/7,260,488.80 - Step 6: Final answer
x = 8,988,150.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.