Finding the Fourth Proportional to 7,422,401.70, 11,127,122.55 and 2,876,552.10
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Solution
The fourth proportional to 7,422,401.70, 11,127,122.55 and 2,876,552.10 is: 4,312,316.83
Step by Step Solution
- Step 1: Write the proportion equation
7,422,401.70 : 11,127,122.55 = 2,876,552.10 : x - Step 2: Convert to fraction form
7,422,401.70/11,127,122.55 = 2,876,552.10/x - Step 3: Cross multiply
7,422,401.70x = 11,127,122.55 × 2,876,552.10 - Step 4: Simplify right side
7,422,401.70x = 32,007,747,738,159.86 - Step 5: Solve for x
x = 32,007,747,738,159.86/7,422,401.70 - Step 6: Final answer
x = 4,312,316.83
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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.