Finding the Fourth Proportional to 16,135,807.76, 22,267,414.36 and 8,892,463.76
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Solution
The fourth proportional to 16,135,807.76, 22,267,414.36 and 8,892,463.76 is: 12,271,599.80
Step by Step Solution
- Step 1: Write the proportion equation
16,135,807.76 : 22,267,414.36 = 8,892,463.76 : x - Step 2: Convert to fraction form
16,135,807.76/22,267,414.36 = 8,892,463.76/x - Step 3: Cross multiply
16,135,807.76x = 22,267,414.36 × 8,892,463.76 - Step 4: Simplify right side
16,135,807.76x = 198,012,175,225,203.59 - Step 5: Solve for x
x = 198,012,175,225,203.59/16,135,807.76 - Step 6: Final answer
x = 12,271,599.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.