Finding the Fourth Proportional to 38,456,330.70, 57,684,496.05 and 11,529,986.70
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Solution
The fourth proportional to 38,456,330.70, 57,684,496.05 and 11,529,986.70 is: 17,294,980.05
Step by Step Solution
- Step 1: Write the proportion equation
38,456,330.70 : 57,684,496.05 = 11,529,986.70 : x - Step 2: Convert to fraction form
38,456,330.70/57,684,496.05 = 11,529,986.70/x - Step 3: Cross multiply
38,456,330.70x = 57,684,496.05 × 11,529,986.70 - Step 4: Simplify right side
38,456,330.70x = 665,101,472,252,702.50 - Step 5: Solve for x
x = 665,101,472,252,702.50/38,456,330.70 - Step 6: Final answer
x = 17,294,980.05
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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.