Finding the Fourth Proportional to 17,598,700.80, 26,398,051.20 and 15,471,187.20
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Solution
The fourth proportional to 17,598,700.80, 26,398,051.20 and 15,471,187.20 is: 23,206,780.80
Step by Step Solution
- Step 1: Write the proportion equation
17,598,700.80 : 26,398,051.20 = 15,471,187.20 : x - Step 2: Convert to fraction form
17,598,700.80/26,398,051.20 = 15,471,187.20/x - Step 3: Cross multiply
17,598,700.80x = 26,398,051.20 × 15,471,187.20 - Step 4: Simplify right side
17,598,700.80x = 408,409,191,830,384.62 - Step 5: Solve for x
x = 408,409,191,830,384.62/17,598,700.80 - Step 6: Final answer
x = 23,206,780.80
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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.