Finding the Fourth Proportional to 10,145,207.07, 15,214,562.91 and 3,319,929.99
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Solution
The fourth proportional to 10,145,207.07, 15,214,562.91 and 3,319,929.99 is: 4,978,832.21
Step by Step Solution
- Step 1: Write the proportion equation
10,145,207.07 : 15,214,562.91 = 3,319,929.99 : x - Step 2: Convert to fraction form
10,145,207.07/15,214,562.91 = 3,319,929.99/x - Step 3: Cross multiply
10,145,207.07x = 15,214,562.91 × 3,319,929.99 - Step 4: Simplify right side
10,145,207.07x = 50,511,283,689,650.67 - Step 5: Solve for x
x = 50,511,283,689,650.67/10,145,207.07 - Step 6: Final answer
x = 4,978,832.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.