Finding the Fourth Proportional to 19,903,073.06, 27,474,715.48 and 13,380,485.60
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Solution
The fourth proportional to 19,903,073.06, 27,474,715.48 and 13,380,485.60 is: 18,470,767.49
Step by Step Solution
- Step 1: Write the proportion equation
19,903,073.06 : 27,474,715.48 = 13,380,485.60 : x - Step 2: Convert to fraction form
19,903,073.06/27,474,715.48 = 13,380,485.60/x - Step 3: Cross multiply
19,903,073.06x = 27,474,715.48 × 13,380,485.60 - Step 4: Simplify right side
19,903,073.06x = 367,625,034,844,237.06 - Step 5: Solve for x
x = 367,625,034,844,237.06/19,903,073.06 - Step 6: Final answer
x = 18,470,767.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.