Finding the Fourth Proportional to 11,306,160.36, 15,601,085.19 and 7,643,047.14
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Solution
The fourth proportional to 11,306,160.36, 15,601,085.19 and 7,643,047.14 is: 10,546,447.75
Step by Step Solution
- Step 1: Write the proportion equation
11,306,160.36 : 15,601,085.19 = 7,643,047.14 : x - Step 2: Convert to fraction form
11,306,160.36/15,601,085.19 = 7,643,047.14/x - Step 3: Cross multiply
11,306,160.36x = 15,601,085.19 × 7,643,047.14 - Step 4: Simplify right side
11,306,160.36x = 119,239,829,542,325.84 - Step 5: Solve for x
x = 119,239,829,542,325.84/11,306,160.36 - Step 6: Final answer
x = 10,546,447.75
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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.