Finding the Fourth Proportional to 10,935,905.40, 16,403,771.70 and 2,848,865.40
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Solution
The fourth proportional to 10,935,905.40, 16,403,771.70 and 2,848,865.40 is: 4,273,275.59
Step by Step Solution
- Step 1: Write the proportion equation
10,935,905.40 : 16,403,771.70 = 2,848,865.40 : x - Step 2: Convert to fraction form
10,935,905.40/16,403,771.70 = 2,848,865.40/x - Step 3: Cross multiply
10,935,905.40x = 16,403,771.70 × 2,848,865.40 - Step 4: Simplify right side
10,935,905.40x = 46,732,137,625,629.18 - Step 5: Solve for x
x = 46,732,137,625,629.18/10,935,905.40 - Step 6: Final answer
x = 4,273,275.59
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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.