Finding the Fourth Proportional to 10,662,939.52, 15,961,239.68 and 5,793,068.80
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Solution
The fourth proportional to 10,662,939.52, 15,961,239.68 and 5,793,068.80 is: 8,671,582.49
Step by Step Solution
- Step 1: Write the proportion equation
10,662,939.52 : 15,961,239.68 = 5,793,068.80 : x - Step 2: Convert to fraction form
10,662,939.52/15,961,239.68 = 5,793,068.80/x - Step 3: Cross multiply
10,662,939.52x = 15,961,239.68 × 5,793,068.80 - Step 4: Simplify right side
10,662,939.52x = 92,464,559,599,529.98 - Step 5: Solve for x
x = 92,464,559,599,529.98/10,662,939.52 - Step 6: Final answer
x = 8,671,582.49
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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.