Finding the Fourth Proportional to 19,419,960.48, 29,133,698.80 and 7,451,765.92
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Solution
The fourth proportional to 19,419,960.48, 29,133,698.80 and 7,451,765.92 is: 11,179,090.92
Step by Step Solution
- Step 1: Write the proportion equation
19,419,960.48 : 29,133,698.80 = 7,451,765.92 : x - Step 2: Convert to fraction form
19,419,960.48/29,133,698.80 = 7,451,765.92/x - Step 3: Cross multiply
19,419,960.48x = 29,133,698.80 × 7,451,765.92 - Step 4: Simplify right side
19,419,960.48x = 217,097,503,841,384.91 - Step 5: Solve for x
x = 217,097,503,841,384.91/19,419,960.48 - Step 6: Final answer
x = 11,179,090.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.