Finding the Fourth Proportional to 21,352,676.70, 32,025,904.65 and 6,205,028.70
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Solution
The fourth proportional to 21,352,676.70, 32,025,904.65 and 6,205,028.70 is: 9,306,639.18
Step by Step Solution
- Step 1: Write the proportion equation
21,352,676.70 : 32,025,904.65 = 6,205,028.70 : x - Step 2: Convert to fraction form
21,352,676.70/32,025,904.65 = 6,205,028.70/x - Step 3: Cross multiply
21,352,676.70x = 32,025,904.65 × 6,205,028.70 - Step 4: Simplify right side
21,352,676.70x = 198,721,657,496,713.44 - Step 5: Solve for x
x = 198,721,657,496,713.44/21,352,676.70 - Step 6: Final answer
x = 9,306,639.18
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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.