Finding the Fourth Proportional to 9,042,519.40, 13,565,528.70 and 2,652,980.20
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Solution
The fourth proportional to 9,042,519.40, 13,565,528.70 and 2,652,980.20 is: 3,979,983.61
Step by Step Solution
- Step 1: Write the proportion equation
9,042,519.40 : 13,565,528.70 = 2,652,980.20 : x - Step 2: Convert to fraction form
9,042,519.40/13,565,528.70 = 2,652,980.20/x - Step 3: Cross multiply
9,042,519.40x = 13,565,528.70 × 2,652,980.20 - Step 4: Simplify right side
9,042,519.40x = 35,989,079,043,631.74 - Step 5: Solve for x
x = 35,989,079,043,631.74/9,042,519.40 - Step 6: Final answer
x = 3,979,983.61
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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.