Finding the Fourth Proportional to 9,874,365.68, 13,621,137.36 and 5,743,932.14
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Solution
The fourth proportional to 9,874,365.68, 13,621,137.36 and 5,743,932.14 is: 7,923,434.40
Step by Step Solution
- Step 1: Write the proportion equation
9,874,365.68 : 13,621,137.36 = 5,743,932.14 : x - Step 2: Convert to fraction form
9,874,365.68/13,621,137.36 = 5,743,932.14/x - Step 3: Cross multiply
9,874,365.68x = 13,621,137.36 × 5,743,932.14 - Step 4: Simplify right side
9,874,365.68x = 78,238,888,677,971.84 - Step 5: Solve for x
x = 78,238,888,677,971.84/9,874,365.68 - Step 6: Final answer
x = 7,923,434.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.