Finding the Fourth Proportional to 22,305,944.20, 33,384,266.70 and 15,587,480.20
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Solution
The fourth proportional to 22,305,944.20, 33,384,266.70 and 15,587,480.20 is: 23,329,054.87
Step by Step Solution
- Step 1: Write the proportion equation
22,305,944.20 : 33,384,266.70 = 15,587,480.20 : x - Step 2: Convert to fraction form
22,305,944.20/33,384,266.70 = 15,587,480.20/x - Step 3: Cross multiply
22,305,944.20x = 33,384,266.70 × 15,587,480.20 - Step 4: Simplify right side
22,305,944.20x = 520,376,596,177,769.31 - Step 5: Solve for x
x = 520,376,596,177,769.31/22,305,944.20 - Step 6: Final answer
x = 23,329,054.87
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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.