Finding the Fourth Proportional to 28,950,478.29, 43,427,113.98 and 9,519,274.08
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Solution
The fourth proportional to 28,950,478.29, 43,427,113.98 and 9,519,274.08 is: 14,279,370.32
Step by Step Solution
- Step 1: Write the proportion equation
28,950,478.29 : 43,427,113.98 = 9,519,274.08 : x - Step 2: Convert to fraction form
28,950,478.29/43,427,113.98 = 9,519,274.08/x - Step 3: Cross multiply
28,950,478.29x = 43,427,113.98 × 9,519,274.08 - Step 4: Simplify right side
28,950,478.29x = 413,394,600,479,019.62 - Step 5: Solve for x
x = 413,394,600,479,019.62/28,950,478.29 - Step 6: Final answer
x = 14,279,370.32
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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.