Finding the Fourth Proportional to 64,962,938.76, 97,448,891.82 and 18,905,188.68
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Solution
The fourth proportional to 64,962,938.76, 97,448,891.82 and 18,905,188.68 is: 28,359,087.84
Step by Step Solution
- Step 1: Write the proportion equation
64,962,938.76 : 97,448,891.82 = 18,905,188.68 : x - Step 2: Convert to fraction form
64,962,938.76/97,448,891.82 = 18,905,188.68/x - Step 3: Cross multiply
64,962,938.76x = 97,448,891.82 × 18,905,188.68 - Step 4: Simplify right side
64,962,938.76x = 1,842,289,686,514,008.50 - Step 5: Solve for x
x = 1,842,289,686,514,008.50/64,962,938.76 - Step 6: Final answer
x = 28,359,087.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.