Finding the Fourth Proportional to 19,947,021.63, 29,920,540.65 and 4,800,953.13
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Solution
The fourth proportional to 19,947,021.63, 29,920,540.65 and 4,800,953.13 is: 7,201,431.67
Step by Step Solution
- Step 1: Write the proportion equation
19,947,021.63 : 29,920,540.65 = 4,800,953.13 : x - Step 2: Convert to fraction form
19,947,021.63/29,920,540.65 = 4,800,953.13/x - Step 3: Cross multiply
19,947,021.63x = 29,920,540.65 × 4,800,953.13 - Step 4: Simplify right side
19,947,021.63x = 143,647,113,284,909.72 - Step 5: Solve for x
x = 143,647,113,284,909.72/19,947,021.63 - Step 6: Final answer
x = 7,201,431.67
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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.