Finding the Fourth Proportional to 11,817,722.34, 17,726,588.37 and 9,125,982.18
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Solution
The fourth proportional to 11,817,722.34, 17,726,588.37 and 9,125,982.18 is: 13,688,977.02
Step by Step Solution
- Step 1: Write the proportion equation
11,817,722.34 : 17,726,588.37 = 9,125,982.18 : x - Step 2: Convert to fraction form
11,817,722.34/17,726,588.37 = 9,125,982.18/x - Step 3: Cross multiply
11,817,722.34x = 17,726,588.37 × 9,125,982.18 - Step 4: Simplify right side
11,817,722.34x = 161,772,529,576,815.25 - Step 5: Solve for x
x = 161,772,529,576,815.25/11,817,722.34 - Step 6: Final answer
x = 13,688,977.02
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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.