Finding the Fourth Proportional to 17,497,396.80, 26,246,095.20 and 13,245,868.80
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Solution
The fourth proportional to 17,497,396.80, 26,246,095.20 and 13,245,868.80 is: 19,868,803.20
Step by Step Solution
- Step 1: Write the proportion equation
17,497,396.80 : 26,246,095.20 = 13,245,868.80 : x - Step 2: Convert to fraction form
17,497,396.80/26,246,095.20 = 13,245,868.80/x - Step 3: Cross multiply
17,497,396.80x = 26,246,095.20 × 13,245,868.80 - Step 4: Simplify right side
17,497,396.80x = 347,652,333,531,509.75 - Step 5: Solve for x
x = 347,652,333,531,509.75/17,497,396.80 - Step 6: Final answer
x = 19,868,803.20
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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.