Finding the Fourth Proportional to 10,367,689.23, 15,550,952.58 and 3,179,203.44
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Solution
The fourth proportional to 10,367,689.23, 15,550,952.58 and 3,179,203.44 is: 4,768,626.92
Step by Step Solution
- Step 1: Write the proportion equation
10,367,689.23 : 15,550,952.58 = 3,179,203.44 : x - Step 2: Convert to fraction form
10,367,689.23/15,550,952.58 = 3,179,203.44/x - Step 3: Cross multiply
10,367,689.23x = 15,550,952.58 × 3,179,203.44 - Step 4: Simplify right side
10,367,689.23x = 49,439,641,937,612.88 - Step 5: Solve for x
x = 49,439,641,937,612.88/10,367,689.23 - Step 6: Final answer
x = 4,768,626.92
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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.