Finding the Fourth Proportional to 37,283,930.47, 51,453,420.36 and 20,764,054.98
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Solution
The fourth proportional to 37,283,930.47, 51,453,420.36 and 20,764,054.98 is: 28,655,284.89
Step by Step Solution
- Step 1: Write the proportion equation
37,283,930.47 : 51,453,420.36 = 20,764,054.98 : x - Step 2: Convert to fraction form
37,283,930.47/51,453,420.36 = 20,764,054.98/x - Step 3: Cross multiply
37,283,930.47x = 51,453,420.36 × 20,764,054.98 - Step 4: Simplify right side
37,283,930.47x = 1,068,381,649,264,091.38 - Step 5: Solve for x
x = 1,068,381,649,264,091.38/37,283,930.47 - Step 6: Final answer
x = 28,655,284.89
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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.