Finding the Fourth Proportional to 19,950,197.45, 29,926,560.42 and 8,433,518.31
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Solution
The fourth proportional to 19,950,197.45, 29,926,560.42 and 8,433,518.31 is: 12,650,811.90
Step by Step Solution
- Step 1: Write the proportion equation
19,950,197.45 : 29,926,560.42 = 8,433,518.31 : x - Step 2: Convert to fraction form
19,950,197.45/29,926,560.42 = 8,433,518.31/x - Step 3: Cross multiply
19,950,197.45x = 29,926,560.42 × 8,433,518.31 - Step 4: Simplify right side
19,950,197.45x = 252,386,195,257,391.31 - Step 5: Solve for x
x = 252,386,195,257,391.31/19,950,197.45 - Step 6: Final answer
x = 12,650,811.90
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1.5x scale
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.