Finding the Fourth Proportional to 19,367,998.40, 29,048,887.20 and 5,901,694.40
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Solution
The fourth proportional to 19,367,998.40, 29,048,887.20 and 5,901,694.40 is: 8,851,593.82
Step by Step Solution
- Step 1: Write the proportion equation
19,367,998.40 : 29,048,887.20 = 5,901,694.40 : x - Step 2: Convert to fraction form
19,367,998.40/29,048,887.20 = 5,901,694.40/x - Step 3: Cross multiply
19,367,998.40x = 29,048,887.20 × 5,901,694.40 - Step 4: Simplify right side
19,367,998.40x = 171,437,654,914,471.69 - Step 5: Solve for x
x = 171,437,654,914,471.69/19,367,998.40 - Step 6: Final answer
x = 8,851,593.82
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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.