Finding the Fourth Proportional to 28,877,560.85, 43,287,177.18 and 18,102,414.15
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Solution
The fourth proportional to 28,877,560.85, 43,287,177.18 and 18,102,414.15 is: 27,135,339.19
Step by Step Solution
- Step 1: Write the proportion equation
28,877,560.85 : 43,287,177.18 = 18,102,414.15 : x - Step 2: Convert to fraction form
28,877,560.85/43,287,177.18 = 18,102,414.15/x - Step 3: Cross multiply
28,877,560.85x = 43,287,177.18 × 18,102,414.15 - Step 4: Simplify right side
28,877,560.85x = 783,602,408,696,789 - Step 5: Solve for x
x = 783,602,408,696,789/28,877,560.85 - Step 6: Final answer
x = 27,135,339.19
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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.