Finding the Fourth Proportional to 18,084,135,506,469, 27,126,161,882,538 and 7,751,125,457,937.40
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Solution
The fourth proportional to 18,084,135,506,469, 27,126,161,882,538 and 7,751,125,457,937.40 is: 11,626,670,452,046.68
Step by Step Solution
- Step 1: Write the proportion equation
18,084,135,506,469 : 27,126,161,882,538 = 7,751,125,457,937.40 : x - Step 2: Convert to fraction form
18,084,135,506,469/27,126,161,882,538 = 7,751,125,457,937.40/x - Step 3: Cross multiply
18,084,135,506,469x = 27,126,161,882,538 × 7,751,125,457,937.40 - Step 4: Simplify right side
18,084,135,506,469x = 210,258,283,943,871,416,887,148,544 - Step 5: Solve for x
x = 210,258,283,943,871,416,887,148,544/18,084,135,506,469 - Step 6: Final answer
x = 11,626,670,452,046.68
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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.