Finding the Fourth Proportional to 7,193,527.60, 9,926,950.62 and 3,930,271.96
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Solution
The fourth proportional to 7,193,527.60, 9,926,950.62 and 3,930,271.96 is: 5,423,711.12
Step by Step Solution
- Step 1: Write the proportion equation
7,193,527.60 : 9,926,950.62 = 3,930,271.96 : x - Step 2: Convert to fraction form
7,193,527.60/9,926,950.62 = 3,930,271.96/x - Step 3: Cross multiply
7,193,527.60x = 9,926,950.62 × 3,930,271.96 - Step 4: Simplify right side
7,193,527.60x = 39,015,615,670,090.61 - Step 5: Solve for x
x = 39,015,615,670,090.61/7,193,527.60 - Step 6: Final answer
x = 5,423,711.12
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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.