Finding the Fourth Proportional to 19,422,074.70, 29,133,112.05 and 6,642,996.30
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Solution
The fourth proportional to 19,422,074.70, 29,133,112.05 and 6,642,996.30 is: 9,964,494.45
Step by Step Solution
- Step 1: Write the proportion equation
19,422,074.70 : 29,133,112.05 = 6,642,996.30 : x - Step 2: Convert to fraction form
19,422,074.70/29,133,112.05 = 6,642,996.30/x - Step 3: Cross multiply
19,422,074.70x = 29,133,112.05 × 6,642,996.30 - Step 4: Simplify right side
19,422,074.70x = 193,531,155,555,635.41 - Step 5: Solve for x
x = 193,531,155,555,635.41/19,422,074.70 - Step 6: Final answer
x = 9,964,494.45
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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.