Finding the Fourth Proportional to 17,947,206.20, 26,920,809.30 and 16,155,615.80
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Solution
The fourth proportional to 17,947,206.20, 26,920,809.30 and 16,155,615.80 is: 24,233,423.70
Step by Step Solution
- Step 1: Write the proportion equation
17,947,206.20 : 26,920,809.30 = 16,155,615.80 : x - Step 2: Convert to fraction form
17,947,206.20/26,920,809.30 = 16,155,615.80/x - Step 3: Cross multiply
17,947,206.20x = 26,920,809.30 × 16,155,615.80 - Step 4: Simplify right side
17,947,206.20x = 434,922,252,075,867 - Step 5: Solve for x
x = 434,922,252,075,867/17,947,206.20 - Step 6: Final answer
x = 24,233,423.70
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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.