Finding the Fourth Proportional to 27,390,127.68, 37,798,352.64 and 15,166,984.32
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Solution
The fourth proportional to 27,390,127.68, 37,798,352.64 and 15,166,984.32 is: 20,930,425.32
Step by Step Solution
- Step 1: Write the proportion equation
27,390,127.68 : 37,798,352.64 = 15,166,984.32 : x - Step 2: Convert to fraction form
27,390,127.68/37,798,352.64 = 15,166,984.32/x - Step 3: Cross multiply
27,390,127.68x = 37,798,352.64 × 15,166,984.32 - Step 4: Simplify right side
27,390,127.68x = 573,287,021,812,710.62 - Step 5: Solve for x
x = 573,287,021,812,710.62/27,390,127.68 - Step 6: Final answer
x = 20,930,425.32
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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.