Finding the Fourth Proportional to 12,126,899.40, 18,192,876.30 and 4,042,386.60
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Solution
The fourth proportional to 12,126,899.40, 18,192,876.30 and 4,042,386.60 is: 6,064,422.32
Step by Step Solution
- Step 1: Write the proportion equation
12,126,899.40 : 18,192,876.30 = 4,042,386.60 : x - Step 2: Convert to fraction form
12,126,899.40/18,192,876.30 = 4,042,386.60/x - Step 3: Cross multiply
12,126,899.40x = 18,192,876.30 × 4,042,386.60 - Step 4: Simplify right side
12,126,899.40x = 73,542,639,370,577.58 - Step 5: Solve for x
x = 73,542,639,370,577.58/12,126,899.40 - Step 6: Final answer
x = 6,064,422.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.