Finding the Fourth Proportional to 19,474,796.46, 29,214,852.36 and 8,112,587.88
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Solution
The fourth proportional to 19,474,796.46, 29,214,852.36 and 8,112,587.88 is: 12,169,988.92
Step by Step Solution
- Step 1: Write the proportion equation
19,474,796.46 : 29,214,852.36 = 8,112,587.88 : x - Step 2: Convert to fraction form
19,474,796.46/29,214,852.36 = 8,112,587.88/x - Step 3: Cross multiply
19,474,796.46x = 29,214,852.36 × 8,112,587.88 - Step 4: Simplify right side
19,474,796.46x = 237,008,057,171,725.38 - Step 5: Solve for x
x = 237,008,057,171,725.38/19,474,796.46 - Step 6: Final answer
x = 12,169,988.92
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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.