Finding the Fourth Proportional to 19,496,685.56, 26,906,266.09 and 10,794,857.68
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Solution
The fourth proportional to 19,496,685.56, 26,906,266.09 and 10,794,857.68 is: 14,897,368.70
Step by Step Solution
- Step 1: Write the proportion equation
19,496,685.56 : 26,906,266.09 = 10,794,857.68 : x - Step 2: Convert to fraction form
19,496,685.56/26,906,266.09 = 10,794,857.68/x - Step 3: Cross multiply
19,496,685.56x = 26,906,266.09 × 10,794,857.68 - Step 4: Simplify right side
19,496,685.56x = 290,449,313,188,886.50 - Step 5: Solve for x
x = 290,449,313,188,886.50/19,496,685.56 - Step 6: Final answer
x = 14,897,368.70
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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.