Finding the Fourth Proportional to 12,251,258.64, 18,388,250.37 and 6,190,246.80
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Solution
The fourth proportional to 12,251,258.64, 18,388,250.37 and 6,190,246.80 is: 9,291,111.33
Step by Step Solution
- Step 1: Write the proportion equation
12,251,258.64 : 18,388,250.37 = 6,190,246.80 : x - Step 2: Convert to fraction form
12,251,258.64/18,388,250.37 = 6,190,246.80/x - Step 3: Cross multiply
12,251,258.64x = 18,388,250.37 × 6,190,246.80 - Step 4: Simplify right side
12,251,258.64x = 113,827,808,010,491.31 - Step 5: Solve for x
x = 113,827,808,010,491.31/12,251,258.64 - Step 6: Final answer
x = 9,291,111.33
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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.