Finding the Fourth Proportional to 19,901,141.76, 29,851,614.24 and 7,771,836.96
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Solution
The fourth proportional to 19,901,141.76, 29,851,614.24 and 7,771,836.96 is: 11,657,717.01
Step by Step Solution
- Step 1: Write the proportion equation
19,901,141.76 : 29,851,614.24 = 7,771,836.96 : x - Step 2: Convert to fraction form
19,901,141.76/29,851,614.24 = 7,771,836.96/x - Step 3: Cross multiply
19,901,141.76x = 29,851,614.24 × 7,771,836.96 - Step 4: Simplify right side
19,901,141.76x = 232,001,878,866,094.28 - Step 5: Solve for x
x = 232,001,878,866,094.28/19,901,141.76 - Step 6: Final answer
x = 11,657,717.01
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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.