Finding the Fourth Proportional to 19,674,702.70, 29,512,054.05 and 15,564,892.30
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Solution
The fourth proportional to 19,674,702.70, 29,512,054.05 and 15,564,892.30 is: 23,347,338.45
Step by Step Solution
- Step 1: Write the proportion equation
19,674,702.70 : 29,512,054.05 = 15,564,892.30 : x - Step 2: Convert to fraction form
19,674,702.70/29,512,054.05 = 15,564,892.30/x - Step 3: Cross multiply
19,674,702.70x = 29,512,054.05 × 15,564,892.30 - Step 4: Simplify right side
19,674,702.70x = 459,351,942,840,028.88 - Step 5: Solve for x
x = 459,351,942,840,028.88/19,674,702.70 - Step 6: Final answer
x = 23,347,338.45
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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.