Finding the Fourth Proportional to 10,939,632.08, 15,097,553.21 and 6,230,226.33
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Solution
The fourth proportional to 10,939,632.08, 15,097,553.21 and 6,230,226.33 is: 8,598,202.65
Step by Step Solution
- Step 1: Write the proportion equation
10,939,632.08 : 15,097,553.21 = 6,230,226.33 : x - Step 2: Convert to fraction form
10,939,632.08/15,097,553.21 = 6,230,226.33/x - Step 3: Cross multiply
10,939,632.08x = 15,097,553.21 × 6,230,226.33 - Step 4: Simplify right side
10,939,632.08x = 94,061,173,496,366.89 - Step 5: Solve for x
x = 94,061,173,496,366.89/10,939,632.08 - Step 6: Final answer
x = 8,598,202.65
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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.