Finding the Fourth Proportional to 17,098,257.68, 23,595,427.56 and 9,257,731.76
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Solution
The fourth proportional to 17,098,257.68, 23,595,427.56 and 9,257,731.76 is: 12,775,578.85
Step by Step Solution
- Step 1: Write the proportion equation
17,098,257.68 : 23,595,427.56 = 9,257,731.76 : x - Step 2: Convert to fraction form
17,098,257.68/23,595,427.56 = 9,257,731.76/x - Step 3: Cross multiply
17,098,257.68x = 23,595,427.56 × 9,257,731.76 - Step 4: Simplify right side
17,098,257.68x = 218,440,139,112,991.28 - Step 5: Solve for x
x = 218,440,139,112,991.28/17,098,257.68 - Step 6: Final answer
x = 12,775,578.85
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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.