Finding the Fourth Proportional to 29,930,569.20, 44,842,709.70 and 28,017,381.60
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Solution
The fourth proportional to 29,930,569.20, 44,842,709.70 and 28,017,381.60 is: 41,976,325.32
Step by Step Solution
- Step 1: Write the proportion equation
29,930,569.20 : 44,842,709.70 = 28,017,381.60 : x - Step 2: Convert to fraction form
29,930,569.20/44,842,709.70 = 28,017,381.60/x - Step 3: Cross multiply
29,930,569.20x = 44,842,709.70 × 28,017,381.60 - Step 4: Simplify right side
29,930,569.20x = 1,256,375,309,642,921.75 - Step 5: Solve for x
x = 1,256,375,309,642,921.75/29,930,569.20 - Step 6: Final answer
x = 41,976,325.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.