Finding the Fourth Proportional to 17,765,619.84, 24,515,628.48 and 10,422,432
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Solution
The fourth proportional to 17,765,619.84, 24,515,628.48 and 10,422,432 is: 14,382,412.38
Step by Step Solution
- Step 1: Write the proportion equation
17,765,619.84 : 24,515,628.48 = 10,422,432 : x - Step 2: Convert to fraction form
17,765,619.84/24,515,628.48 = 10,422,432/x - Step 3: Cross multiply
17,765,619.84x = 24,515,628.48 × 10,422,432 - Step 4: Simplify right side
17,765,619.84x = 255,512,470,770,063.38 - Step 5: Solve for x
x = 255,512,470,770,063.38/17,765,619.84 - Step 6: Final answer
x = 14,382,412.38
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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.