Finding the Fourth Proportional to 19,422,062.70, 29,133,094.05 and 6,642,984.30
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Solution
The fourth proportional to 19,422,062.70, 29,133,094.05 and 6,642,984.30 is: 9,964,476.45
Step by Step Solution
- Step 1: Write the proportion equation
19,422,062.70 : 29,133,094.05 = 6,642,984.30 : x - Step 2: Convert to fraction form
19,422,062.70/29,133,094.05 = 6,642,984.30/x - Step 3: Cross multiply
19,422,062.70x = 29,133,094.05 × 6,642,984.30 - Step 4: Simplify right side
19,422,062.70x = 193,530,686,384,573.41 - Step 5: Solve for x
x = 193,530,686,384,573.41/19,422,062.70 - Step 6: Final answer
x = 9,964,476.45
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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.