Finding the Fourth Proportional to 19,426,163.70, 27,236,442.30 and 19,426,163.70
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Solution
The fourth proportional to 19,426,163.70, 27,236,442.30 and 19,426,163.70 is: 27,236,442.30
Step by Step Solution
- Step 1: Write the proportion equation
19,426,163.70 : 27,236,442.30 = 19,426,163.70 : x - Step 2: Convert to fraction form
19,426,163.70/27,236,442.30 = 19,426,163.70/x - Step 3: Cross multiply
19,426,163.70x = 27,236,442.30 × 19,426,163.70 - Step 4: Simplify right side
19,426,163.70x = 529,099,586,725,404.50 - Step 5: Solve for x
x = 529,099,586,725,404.50/19,426,163.70 - Step 6: Final answer
x = 27,236,442.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.