Finding the Fourth Proportional to 20,829,600.24, 31,247,358.12 and 6,453,798
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Solution
The fourth proportional to 20,829,600.24, 31,247,358.12 and 6,453,798 is: 9,681,613.43
Step by Step Solution
- Step 1: Write the proportion equation
20,829,600.24 : 31,247,358.12 = 6,453,798 : x - Step 2: Convert to fraction form
20,829,600.24/31,247,358.12 = 6,453,798/x - Step 3: Cross multiply
20,829,600.24x = 31,247,358.12 × 6,453,798 - Step 4: Simplify right side
20,829,600.24x = 201,664,137,340,139.78 - Step 5: Solve for x
x = 201,664,137,340,139.78/20,829,600.24 - Step 6: Final answer
x = 9,681,613.43
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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.