Finding the Fourth Proportional to 18,346,775.70, 27,520,163.55 and 9,843,719.70
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Solution
The fourth proportional to 18,346,775.70, 27,520,163.55 and 9,843,719.70 is: 14,765,579.55
Step by Step Solution
- Step 1: Write the proportion equation
18,346,775.70 : 27,520,163.55 = 9,843,719.70 : x - Step 2: Convert to fraction form
18,346,775.70/27,520,163.55 = 9,843,719.70/x - Step 3: Cross multiply
18,346,775.70x = 27,520,163.55 × 9,843,719.70 - Step 4: Simplify right side
18,346,775.70x = 270,900,776,084,356.91 - Step 5: Solve for x
x = 270,900,776,084,356.91/18,346,775.70 - Step 6: Final answer
x = 14,765,579.55
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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.