Finding the Fourth Proportional to 17,686,900.80, 26,527,383.36 and 4,908,703.68
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Solution
The fourth proportional to 17,686,900.80, 26,527,383.36 and 4,908,703.68 is: 7,362,231.85
Step by Step Solution
- Step 1: Write the proportion equation
17,686,900.80 : 26,527,383.36 = 4,908,703.68 : x - Step 2: Convert to fraction form
17,686,900.80/26,527,383.36 = 4,908,703.68/x - Step 3: Cross multiply
17,686,900.80x = 26,527,383.36 × 4,908,703.68 - Step 4: Simplify right side
17,686,900.80x = 130,215,064,320,002.75 - Step 5: Solve for x
x = 130,215,064,320,002.75/17,686,900.80 - Step 6: Final answer
x = 7,362,231.85
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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.