Finding the Fourth Proportional to 7,430,238, 11,148,879.16 and 3,589,907.68
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Solution
The fourth proportional to 7,430,238, 11,148,879.16 and 3,589,907.68 is: 5,386,563.25
Step by Step Solution
- Step 1: Write the proportion equation
7,430,238 : 11,148,879.16 = 3,589,907.68 : x - Step 2: Convert to fraction form
7,430,238/11,148,879.16 = 3,589,907.68/x - Step 3: Cross multiply
7,430,238x = 11,148,879.16 × 3,589,907.68 - Step 4: Simplify right side
7,430,238x = 40,023,446,919,875.95 - Step 5: Solve for x
x = 40,023,446,919,875.95/7,430,238 - Step 6: Final answer
x = 5,386,563.25
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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.