Finding the Fourth Proportional to 8,881,764.20, 13,304,931.60 and 6,189,129.80
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Solution
The fourth proportional to 8,881,764.20, 13,304,931.60 and 6,189,129.80 is: 9,271,350.47
Step by Step Solution
- Step 1: Write the proportion equation
8,881,764.20 : 13,304,931.60 = 6,189,129.80 : x - Step 2: Convert to fraction form
8,881,764.20/13,304,931.60 = 6,189,129.80/x - Step 3: Cross multiply
8,881,764.20x = 13,304,931.60 × 6,189,129.80 - Step 4: Simplify right side
8,881,764.20x = 82,345,948,652,521.67 - Step 5: Solve for x
x = 82,345,948,652,521.67/8,881,764.20 - Step 6: Final answer
x = 9,271,350.47
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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.