Finding the Fourth Proportional to 19,584,108.80, 29,376,163.20 and 8,237,369.60
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Solution
The fourth proportional to 19,584,108.80, 29,376,163.20 and 8,237,369.60 is: 12,356,054.40
Step by Step Solution
- Step 1: Write the proportion equation
19,584,108.80 : 29,376,163.20 = 8,237,369.60 : x - Step 2: Convert to fraction form
19,584,108.80/29,376,163.20 = 8,237,369.60/x - Step 3: Cross multiply
19,584,108.80x = 29,376,163.20 × 8,237,369.60 - Step 4: Simplify right side
19,584,108.80x = 241,982,313,708,318.69 - Step 5: Solve for x
x = 241,982,313,708,318.69/19,584,108.80 - Step 6: Final answer
x = 12,356,054.40
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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.