Finding the Fourth Proportional to 19,529,259.20, 29,236,423.28 and 13,036,229.44
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Solution
The fourth proportional to 19,529,259.20, 29,236,423.28 and 13,036,229.44 is: 19,515,984.60
Step by Step Solution
- Step 1: Write the proportion equation
19,529,259.20 : 29,236,423.28 = 13,036,229.44 : x - Step 2: Convert to fraction form
19,529,259.20/29,236,423.28 = 13,036,229.44/x - Step 3: Cross multiply
19,529,259.20x = 29,236,423.28 × 13,036,229.44 - Step 4: Simplify right side
19,529,259.20x = 381,132,721,883,037.38 - Step 5: Solve for x
x = 381,132,721,883,037.38/19,529,259.20 - Step 6: Final answer
x = 19,515,984.60
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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.