Finding the Fourth Proportional to 21,352,879.70, 32,026,209.15 and 6,205,231.70
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Solution
The fourth proportional to 21,352,879.70, 32,026,209.15 and 6,205,231.70 is: 9,306,943.66
Step by Step Solution
- Step 1: Write the proportion equation
21,352,879.70 : 32,026,209.15 = 6,205,231.70 : x - Step 2: Convert to fraction form
21,352,879.70/32,026,209.15 = 6,205,231.70/x - Step 3: Cross multiply
21,352,879.70x = 32,026,209.15 × 6,205,231.70 - Step 4: Simplify right side
21,352,879.70x = 198,730,048,248,410.06 - Step 5: Solve for x
x = 198,730,048,248,410.06/21,352,879.70 - Step 6: Final answer
x = 9,306,943.66
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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.