Finding the Fourth Proportional to 19,950,221.24, 29,926,596.17 and 8,433,542.12
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Solution
The fourth proportional to 19,950,221.24, 29,926,596.17 and 8,433,542.12 is: 12,650,847.64
Step by Step Solution
- Step 1: Write the proportion equation
19,950,221.24 : 29,926,596.17 = 8,433,542.12 : x - Step 2: Convert to fraction form
19,950,221.24/29,926,596.17 = 8,433,542.12/x - Step 3: Cross multiply
19,950,221.24x = 29,926,596.17 × 8,433,542.12 - Step 4: Simplify right side
19,950,221.24x = 252,387,209,340,574.47 - Step 5: Solve for x
x = 252,387,209,340,574.47/19,950,221.24 - Step 6: Final answer
x = 12,650,847.64
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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.