Finding the Fourth Proportional to 7,557,217.13, 10,428,438.33 and 4,250,005.62
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Solution
The fourth proportional to 7,557,217.13, 10,428,438.33 and 4,250,005.62 is: 5,864,714.59
Step by Step Solution
- Step 1: Write the proportion equation
7,557,217.13 : 10,428,438.33 = 4,250,005.62 : x - Step 2: Convert to fraction form
7,557,217.13/10,428,438.33 = 4,250,005.62/x - Step 3: Cross multiply
7,557,217.13x = 10,428,438.33 × 4,250,005.62 - Step 4: Simplify right side
7,557,217.13x = 44,320,921,510,323.41 - Step 5: Solve for x
x = 44,320,921,510,323.41/7,557,217.13 - Step 6: Final answer
x = 5,864,714.59
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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.