Finding the Fourth Proportional to 15,269,769.62, 22,904,056.65 and 5,172,390.62
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Solution
The fourth proportional to 15,269,769.62, 22,904,056.65 and 5,172,390.62 is: 7,758,383.44
Step by Step Solution
- Step 1: Write the proportion equation
15,269,769.62 : 22,904,056.65 = 5,172,390.62 : x - Step 2: Convert to fraction form
15,269,769.62/22,904,056.65 = 5,172,390.62/x - Step 3: Cross multiply
15,269,769.62x = 22,904,056.65 × 5,172,390.62 - Step 4: Simplify right side
15,269,769.62x = 118,468,727,776,408.62 - Step 5: Solve for x
x = 118,468,727,776,408.62/15,269,769.62 - Step 6: Final answer
x = 7,758,383.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.