Finding the Fourth Proportional to 17,522,029.30, 26,283,043.95 and 12,420,195.70
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Solution
The fourth proportional to 17,522,029.30, 26,283,043.95 and 12,420,195.70 is: 18,630,293.55
Step by Step Solution
- Step 1: Write the proportion equation
17,522,029.30 : 26,283,043.95 = 12,420,195.70 : x - Step 2: Convert to fraction form
17,522,029.30/26,283,043.95 = 12,420,195.70/x - Step 3: Cross multiply
17,522,029.30x = 26,283,043.95 × 12,420,195.70 - Step 4: Simplify right side
17,522,029.30x = 326,440,549,450,701 - Step 5: Solve for x
x = 326,440,549,450,701/17,522,029.30 - Step 6: Final answer
x = 18,630,293.55
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1.5x scale
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.