Finding the Fourth Proportional to 18,368,530.28, 27,534,931.74 and 8,781,425
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Solution
The fourth proportional to 18,368,530.28, 27,534,931.74 and 8,781,425 is: 13,163,597.43
Step by Step Solution
- Step 1: Write the proportion equation
18,368,530.28 : 27,534,931.74 = 8,781,425 : x - Step 2: Convert to fraction form
18,368,530.28/27,534,931.74 = 8,781,425/x - Step 3: Cross multiply
18,368,530.28x = 27,534,931.74 × 8,781,425 - Step 4: Simplify right side
18,368,530.28x = 241,795,937,954,929.50 - Step 5: Solve for x
x = 241,795,937,954,929.50/18,368,530.28 - Step 6: Final answer
x = 13,163,597.43
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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.