Finding the Fourth Proportional to 7,444,698.06, 10,273,992.20 and 4,136,979.95
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Solution
The fourth proportional to 7,444,698.06, 10,273,992.20 and 4,136,979.95 is: 5,709,203.96
Step by Step Solution
- Step 1: Write the proportion equation
7,444,698.06 : 10,273,992.20 = 4,136,979.95 : x - Step 2: Convert to fraction form
7,444,698.06/10,273,992.20 = 4,136,979.95/x - Step 3: Cross multiply
7,444,698.06x = 10,273,992.20 × 4,136,979.95 - Step 4: Simplify right side
7,444,698.06x = 42,503,299,665,801.53 - Step 5: Solve for x
x = 42,503,299,665,801.53/7,444,698.06 - Step 6: Final answer
x = 5,709,203.96
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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.