Finding the Fourth Proportional to 19,474,800.70, 29,214,858.74 and 8,112,592.12
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Solution
The fourth proportional to 19,474,800.70, 29,214,858.74 and 8,112,592.12 is: 12,169,995.29
Step by Step Solution
- Step 1: Write the proportion equation
19,474,800.70 : 29,214,858.74 = 8,112,592.12 : x - Step 2: Convert to fraction form
19,474,800.70/29,214,858.74 = 8,112,592.12/x - Step 3: Cross multiply
19,474,800.70x = 29,214,858.74 × 8,112,592.12 - Step 4: Simplify right side
19,474,800.70x = 237,008,232,801,037.12 - Step 5: Solve for x
x = 237,008,232,801,037.12/19,474,800.70 - Step 6: Final answer
x = 12,169,995.29
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1.5x scale
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.