Finding the Fourth Proportional to 30,757,315.34, 42,425,097.08 and 19,726,593.09
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Solution
The fourth proportional to 30,757,315.34, 42,425,097.08 and 19,726,593.09 is: 27,209,872.43
Step by Step Solution
- Step 1: Write the proportion equation
30,757,315.34 : 42,425,097.08 = 19,726,593.09 : x - Step 2: Convert to fraction form
30,757,315.34/42,425,097.08 = 19,726,593.09/x - Step 3: Cross multiply
30,757,315.34x = 42,425,097.08 × 19,726,593.09 - Step 4: Simplify right side
30,757,315.34x = 836,902,626,754,142.12 - Step 5: Solve for x
x = 836,902,626,754,142.12/30,757,315.34 - Step 6: Final answer
x = 27,209,872.43
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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.