Finding the Fourth Proportional to 21,844,636.98, 32,781,583.77 and 9,065,153.99
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Solution
The fourth proportional to 21,844,636.98, 32,781,583.77 and 9,065,153.99 is: 13,603,801.47
Step by Step Solution
- Step 1: Write the proportion equation
21,844,636.98 : 32,781,583.77 = 9,065,153.99 : x - Step 2: Convert to fraction form
21,844,636.98/32,781,583.77 = 9,065,153.99/x - Step 3: Cross multiply
21,844,636.98x = 32,781,583.77 × 9,065,153.99 - Step 4: Simplify right side
21,844,636.98x = 297,170,104,701,901.06 - Step 5: Solve for x
x = 297,170,104,701,901.06/21,844,636.98 - Step 6: Final answer
x = 13,603,801.47
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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.