Finding the Fourth Proportional to 17,720,149.75, 26,581,069.55 and 8,611,395.59
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Solution
The fourth proportional to 17,720,149.75, 26,581,069.55 and 8,611,395.59 is: 12,917,504.00
Step by Step Solution
- Step 1: Write the proportion equation
17,720,149.75 : 26,581,069.55 = 8,611,395.59 : x - Step 2: Convert to fraction form
17,720,149.75/26,581,069.55 = 8,611,395.59/x - Step 3: Cross multiply
17,720,149.75x = 26,581,069.55 × 8,611,395.59 - Step 4: Simplify right side
17,720,149.75x = 228,900,105,188,334.41 - Step 5: Solve for x
x = 228,900,105,188,334.41/17,720,149.75 - Step 6: Final answer
x = 12,917,504.00
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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.