Finding the Fourth Proportional to 8,242,750.32, 12,304,087.08 and 7,634,911.95
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Solution
The fourth proportional to 8,242,750.32, 12,304,087.08 and 7,634,911.95 is: 11,396,756.89
Step by Step Solution
- Step 1: Write the proportion equation
8,242,750.32 : 12,304,087.08 = 7,634,911.95 : x - Step 2: Convert to fraction form
8,242,750.32/12,304,087.08 = 7,634,911.95/x - Step 3: Cross multiply
8,242,750.32x = 12,304,087.08 × 7,634,911.95 - Step 4: Simplify right side
8,242,750.32x = 93,940,621,480,932.61 - Step 5: Solve for x
x = 93,940,621,480,932.61/8,242,750.32 - Step 6: Final answer
x = 11,396,756.89
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.