Finding the Fourth Proportional to 9,486,337.58, 13,091,143.00 and 5,135,420.70
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Solution
The fourth proportional to 9,486,337.58, 13,091,143.00 and 5,135,420.70 is: 7,086,879.01
Step by Step Solution
- Step 1: Write the proportion equation
9,486,337.58 : 13,091,143.00 = 5,135,420.70 : x - Step 2: Convert to fraction form
9,486,337.58/13,091,143.00 = 5,135,420.70/x - Step 3: Cross multiply
9,486,337.58x = 13,091,143.00 × 5,135,420.70 - Step 4: Simplify right side
9,486,337.58x = 67,228,526,670,565.84 - Step 5: Solve for x
x = 67,228,526,670,565.84/9,486,337.58 - Step 6: Final answer
x = 7,086,879.01
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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.