Finding the Fourth Proportional to 19,956,582.77, 29,930,297.85 and 5,580,660.85
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Solution
The fourth proportional to 19,956,582.77, 29,930,297.85 and 5,580,660.85 is: 8,369,711.55
Step by Step Solution
- Step 1: Write the proportion equation
19,956,582.77 : 29,930,297.85 = 5,580,660.85 : x - Step 2: Convert to fraction form
19,956,582.77/29,930,297.85 = 5,580,660.85/x - Step 3: Cross multiply
19,956,582.77x = 29,930,297.85 × 5,580,660.85 - Step 4: Simplify right side
19,956,582.77x = 167,030,841,365,508.44 - Step 5: Solve for x
x = 167,030,841,365,508.44/19,956,582.77 - Step 6: Final answer
x = 8,369,711.55
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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.