Finding the Fourth Proportional to 7,180,239.99, 9,907,375.98 and 4,279,900.73
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Solution
The fourth proportional to 7,180,239.99, 9,907,375.98 and 4,279,900.73 is: 5,905,455.22
Step by Step Solution
- Step 1: Write the proportion equation
7,180,239.99 : 9,907,375.98 = 4,279,900.73 : x - Step 2: Convert to fraction form
7,180,239.99/9,907,375.98 = 4,279,900.73/x - Step 3: Cross multiply
7,180,239.99x = 9,907,375.98 × 4,279,900.73 - Step 4: Simplify right side
7,180,239.99x = 42,402,585,713,954.91 - Step 5: Solve for x
x = 42,402,585,713,954.91/7,180,239.99 - Step 6: Final answer
x = 5,905,455.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.