Finding the Fourth Proportional to 11,031,794.94, 15,217,656.48 and 6,620,392.38
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Solution
The fourth proportional to 11,031,794.94, 15,217,656.48 and 6,620,392.38 is: 9,132,408.42
Step by Step Solution
- Step 1: Write the proportion equation
11,031,794.94 : 15,217,656.48 = 6,620,392.38 : x - Step 2: Convert to fraction form
11,031,794.94/15,217,656.48 = 6,620,392.38/x - Step 3: Cross multiply
11,031,794.94x = 15,217,656.48 × 6,620,392.38 - Step 4: Simplify right side
11,031,794.94x = 100,746,857,001,649.62 - Step 5: Solve for x
x = 100,746,857,001,649.62/11,031,794.94 - Step 6: Final answer
x = 9,132,408.42
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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.