Finding the Fourth Proportional to 20,219,880.90, 30,329,821.35 and 5,843,417.70
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Solution
The fourth proportional to 20,219,880.90, 30,329,821.35 and 5,843,417.70 is: 8,765,126.55
Step by Step Solution
- Step 1: Write the proportion equation
20,219,880.90 : 30,329,821.35 = 5,843,417.70 : x - Step 2: Convert to fraction form
20,219,880.90/30,329,821.35 = 5,843,417.70/x - Step 3: Cross multiply
20,219,880.90x = 30,329,821.35 × 5,843,417.70 - Step 4: Simplify right side
20,219,880.90x = 177,229,814,914,427.91 - Step 5: Solve for x
x = 177,229,814,914,427.91/20,219,880.90 - Step 6: Final answer
x = 8,765,126.55
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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.