Finding the Fourth Proportional to 15,880,905,758.01, 21,916,042,946.07 and 8,647,349,790.99
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Solution
The fourth proportional to 15,880,905,758.01, 21,916,042,946.07 and 8,647,349,790.99 is: 11,933,556,704.94
Step by Step Solution
- Step 1: Write the proportion equation
15,880,905,758.01 : 21,916,042,946.07 = 8,647,349,790.99 : x - Step 2: Convert to fraction form
15,880,905,758.01/21,916,042,946.07 = 8,647,349,790.99/x - Step 3: Cross multiply
15,880,905,758.01x = 21,916,042,946.07 × 8,647,349,790.99 - Step 4: Simplify right side
15,880,905,758.01x = 189,515,689,389,083,623,424 - Step 5: Solve for x
x = 189,515,689,389,083,623,424/15,880,905,758.01 - Step 6: Final answer
x = 11,933,556,704.94
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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.