Finding the Fourth Proportional to 21,204,339.66, 31,777,083.01 and 9,661,597.99
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Solution
The fourth proportional to 21,204,339.66, 31,777,083.01 and 9,661,597.99 is: 14,478,989.02
Step by Step Solution
- Step 1: Write the proportion equation
21,204,339.66 : 31,777,083.01 = 9,661,597.99 : x - Step 2: Convert to fraction form
21,204,339.66/31,777,083.01 = 9,661,597.99/x - Step 3: Cross multiply
21,204,339.66x = 31,777,083.01 × 9,661,597.99 - Step 4: Simplify right side
21,204,339.66x = 307,017,401,130,285.69 - Step 5: Solve for x
x = 307,017,401,130,285.69/21,204,339.66 - Step 6: Final answer
x = 14,478,989.02
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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.