Finding the Fourth Proportional to 45,811,605.08, 68,678,664.38 and 19,884,419.36
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Solution
The fourth proportional to 45,811,605.08, 68,678,664.38 and 19,884,419.36 is: 29,809,812.63
Step by Step Solution
- Step 1: Write the proportion equation
45,811,605.08 : 68,678,664.38 = 19,884,419.36 : x - Step 2: Convert to fraction form
45,811,605.08/68,678,664.38 = 19,884,419.36/x - Step 3: Cross multiply
45,811,605.08x = 68,678,664.38 × 19,884,419.36 - Step 4: Simplify right side
45,811,605.08x = 1,365,635,363,616,614.25 - Step 5: Solve for x
x = 1,365,635,363,616,614.25/45,811,605.08 - Step 6: Final answer
x = 29,809,812.63
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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.