Finding the Fourth Proportional to 7,236,397.32, 9,986,235.84 and 4,296,801.12
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Solution
The fourth proportional to 7,236,397.32, 9,986,235.84 and 4,296,801.12 is: 5,929,590.02
Step by Step Solution
- Step 1: Write the proportion equation
7,236,397.32 : 9,986,235.84 = 4,296,801.12 : x - Step 2: Convert to fraction form
7,236,397.32/9,986,235.84 = 4,296,801.12/x - Step 3: Cross multiply
7,236,397.32x = 9,986,235.84 × 4,296,801.12 - Step 4: Simplify right side
7,236,397.32x = 42,908,869,341,896.14 - Step 5: Solve for x
x = 42,908,869,341,896.14/7,236,397.32 - Step 6: Final answer
x = 5,929,590.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.