Finding the Fourth Proportional to 30,099,712.16, 45,151,284.36 and 8,532,618.68
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Solution
The fourth proportional to 30,099,712.16, 45,151,284.36 and 8,532,618.68 is: 12,799,414.50
Step by Step Solution
- Step 1: Write the proportion equation
30,099,712.16 : 45,151,284.36 = 8,532,618.68 : x - Step 2: Convert to fraction form
30,099,712.16/45,151,284.36 = 8,532,618.68/x - Step 3: Cross multiply
30,099,712.16x = 45,151,284.36 × 8,532,618.68 - Step 4: Simplify right side
30,099,712.16x = 385,258,692,356,127.81 - Step 5: Solve for x
x = 385,258,692,356,127.81/30,099,712.16 - Step 6: Final answer
x = 12,799,414.50
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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.