Finding the Fourth Proportional to 17,075,348.80, 23,563,981.35 and 9,234,860.99
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Solution
The fourth proportional to 17,075,348.80, 23,563,981.35 and 9,234,860.99 is: 12,744,108.17
Step by Step Solution
- Step 1: Write the proportion equation
17,075,348.80 : 23,563,981.35 = 9,234,860.99 : x - Step 2: Convert to fraction form
17,075,348.80/23,563,981.35 = 9,234,860.99/x - Step 3: Cross multiply
17,075,348.80x = 23,563,981.35 × 9,234,860.99 - Step 4: Simplify right side
17,075,348.80x = 217,610,092,138,202.56 - Step 5: Solve for x
x = 217,610,092,138,202.56/17,075,348.80 - Step 6: Final answer
x = 12,744,108.17
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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.