Finding the Fourth Proportional to 21,600,683.55, 32,401,056.65 and 8,821,188.14
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Solution
The fourth proportional to 21,600,683.55, 32,401,056.65 and 8,821,188.14 is: 13,231,794.99
Step by Step Solution
- Step 1: Write the proportion equation
21,600,683.55 : 32,401,056.65 = 8,821,188.14 : x - Step 2: Convert to fraction form
21,600,683.55/32,401,056.65 = 8,821,188.14/x - Step 3: Cross multiply
21,600,683.55x = 32,401,056.65 × 8,821,188.14 - Step 4: Simplify right side
21,600,683.55x = 285,815,816,438,336.88 - Step 5: Solve for x
x = 285,815,816,438,336.88/21,600,683.55 - Step 6: Final answer
x = 13,231,794.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.