Finding the Fourth Proportional to 38,528,426.60, 57,793,858.14 and 14,273,423.72
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Solution
The fourth proportional to 38,528,426.60, 57,793,858.14 and 14,273,423.72 is: 21,410,586.89
Step by Step Solution
- Step 1: Write the proportion equation
38,528,426.60 : 57,793,858.14 = 14,273,423.72 : x - Step 2: Convert to fraction form
38,528,426.60/57,793,858.14 = 14,273,423.72/x - Step 3: Cross multiply
38,528,426.60x = 57,793,858.14 × 14,273,423.72 - Step 4: Simplify right side
38,528,426.60x = 824,916,225,645,791.12 - Step 5: Solve for x
x = 824,916,225,645,791.12/38,528,426.60 - Step 6: Final answer
x = 21,410,586.89
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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.