Finding the Fourth Proportional to 16,638,148.80, 24,957,223.20 and 15,798,340.80
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Solution
The fourth proportional to 16,638,148.80, 24,957,223.20 and 15,798,340.80 is: 23,697,511.20
Step by Step Solution
- Step 1: Write the proportion equation
16,638,148.80 : 24,957,223.20 = 15,798,340.80 : x - Step 2: Convert to fraction form
16,638,148.80/24,957,223.20 = 15,798,340.80/x - Step 3: Cross multiply
16,638,148.80x = 24,957,223.20 × 15,798,340.80 - Step 4: Simplify right side
16,638,148.80x = 394,282,717,535,266.56 - Step 5: Solve for x
x = 394,282,717,535,266.56/16,638,148.80 - Step 6: Final answer
x = 23,697,511.20
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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.