Finding the Fourth Proportional to 17,621,123.36, 26,432,958.98 and 7,375,678.99
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Solution
The fourth proportional to 17,621,123.36, 26,432,958.98 and 7,375,678.99 is: 11,064,051.72
Step by Step Solution
- Step 1: Write the proportion equation
17,621,123.36 : 26,432,958.98 = 7,375,678.99 : x - Step 2: Convert to fraction form
17,621,123.36/26,432,958.98 = 7,375,678.99/x - Step 3: Cross multiply
17,621,123.36x = 26,432,958.98 × 7,375,678.99 - Step 4: Simplify right side
17,621,123.36x = 194,961,020,144,674.62 - Step 5: Solve for x
x = 194,961,020,144,674.62/17,621,123.36 - Step 6: Final answer
x = 11,064,051.72
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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.