Finding the Fourth Proportional to 11,297,590.92, 15,590,595.35 and 6,402,771.45
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Solution
The fourth proportional to 11,297,590.92, 15,590,595.35 and 6,402,771.45 is: 8,835,779.20
Step by Step Solution
- Step 1: Write the proportion equation
11,297,590.92 : 15,590,595.35 = 6,402,771.45 : x - Step 2: Convert to fraction form
11,297,590.92/15,590,595.35 = 6,402,771.45/x - Step 3: Cross multiply
11,297,590.92x = 15,590,595.35 × 6,402,771.45 - Step 4: Simplify right side
11,297,590.92x = 99,823,018,811,489.69 - Step 5: Solve for x
x = 99,823,018,811,489.69/11,297,590.92 - Step 6: Final answer
x = 8,835,779.20
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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.