Finding the Fourth Proportional to 7,679,265.90, 11,516,799.30 and 2,886,586.62
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Solution
The fourth proportional to 7,679,265.90, 11,516,799.30 and 2,886,586.62 is: 4,329,090.72
Step by Step Solution
- Step 1: Write the proportion equation
7,679,265.90 : 11,516,799.30 = 2,886,586.62 : x - Step 2: Convert to fraction form
7,679,265.90/11,516,799.30 = 2,886,586.62/x - Step 3: Cross multiply
7,679,265.90x = 11,516,799.30 × 2,886,586.62 - Step 4: Simplify right side
7,679,265.90x = 33,244,238,764,605.37 - Step 5: Solve for x
x = 33,244,238,764,605.37/7,679,265.90 - Step 6: Final answer
x = 4,329,090.72
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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.