Finding the Fourth Proportional to 7,894,136.32, 10,893,907.92 and 4,272,464.32
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Solution
The fourth proportional to 7,894,136.32, 10,893,907.92 and 4,272,464.32 is: 5,896,000.65
Step by Step Solution
- Step 1: Write the proportion equation
7,894,136.32 : 10,893,907.92 = 4,272,464.32 : x - Step 2: Convert to fraction form
7,894,136.32/10,893,907.92 = 4,272,464.32/x - Step 3: Cross multiply
7,894,136.32x = 10,893,907.92 × 4,272,464.32 - Step 4: Simplify right side
7,894,136.32x = 46,543,832,893,565.41 - Step 5: Solve for x
x = 46,543,832,893,565.41/7,894,136.32 - Step 6: Final answer
x = 5,896,000.65
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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.