Finding the Fourth Proportional to 10,369,829.70, 15,554,744.55 and 9,706,277.70
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Solution
The fourth proportional to 10,369,829.70, 15,554,744.55 and 9,706,277.70 is: 14,559,416.55
Step by Step Solution
- Step 1: Write the proportion equation
10,369,829.70 : 15,554,744.55 = 9,706,277.70 : x - Step 2: Convert to fraction form
10,369,829.70/15,554,744.55 = 9,706,277.70/x - Step 3: Cross multiply
10,369,829.70x = 15,554,744.55 × 9,706,277.70 - Step 4: Simplify right side
10,369,829.70x = 150,978,670,154,861.53 - Step 5: Solve for x
x = 150,978,670,154,861.53/10,369,829.70 - Step 6: Final answer
x = 14,559,416.55
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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.